1. Give an example of a unicellular prokaryote and eukaryote and explain how
they manage to maintain homeostasis.
Answers
Answer:
Bacteria and archaea are all unicellular prokaryotes. ... Yeasts and algae are examples of unicellular eukaryotes. Unlike prokaryote cells, eukaryote cells have organelles, cell organs fulfilling important functions in the cell. This is why these cells are for the most part larger than prokaryote cells
Explanation:
Related Questions
HELP! LOOK AT THE PICTURE!
Answers
Answer:
The organism's genotype encodes their phenotype because the genotype corresponds to the characteristic that is determined by genes —formed by fragments of DNA— which are transcribed into mRNA to be translated into amino acid sequences in the synthesis of proteins, determining the morphological and functional characteristics of an organism, that is, its phenotype.
Explanation:
Genotype corresponds to the genetic information contained in the DNA, according to the sequence of nucleotides in its molecular structure. This genotype includes characteristics or polymorphisms that define the appearance and function of living beings.
Each DNA molecule constitutes a chromosome, formed by genes —DNA fragments— each of which determines specific characteristics.
When DNA is transcribed into mRNA, information is being sent that is necessary for the incorporation of amino acids into a protein that is being synthesized. The proteins, in turn, determine morphological and functional characteristics that constitute the phenotype of an individual.
When the equation for photosynthesis is reversed, it represents a chemical reaction that produces ATP in organisms. This is called what?
When the equation for photosynthesis is reversed, it represents a chemical reaction that produces ATP in organisms. This is called what?
Dentrification
Metabolizing
Photosynthesis
Respiration
Answers
The chemical reaction represented by the reversion of equation of photosynthesis is: Respiration.
Photosynthesis is the process of synthesizing one's own food using the inorganic raw material. This process is observed in plants and some algae. The main organelle involved in photosynthesis is chloroplast. Photosynthesis utilizes carbon dioxide. The end product of photosynthesis is glucose.
Respiration is the reverse of photosynthesis. It is the breakdown of glucose to release energy. This energy is utilized by the body to perform several processes. Besides energy, respiration also maintains the carbon balance of the plant cells. Respiration releases carbon dioxide during the process.
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Which is correct about influenza?
a. antigenic shift is a minor change in the viral strain.
b. the virus is found in swine and cats.
Answers
Both statements are true.
The influenza virus undergoes antigenic shift as a minor change in the viral strain and is also found in cats and swine.
The influenza virus is an infectious respiratory disease that affects the respiratory system in humans and animals.
Commonly, this virus is known as flu and for most people, it resolves automatically after some time.
Moreover, it has contagious symptoms ranging from mild to severe.
The most common and widespread systems are headaches, fever, sore throat, coughing, and breathing problems.
In severe cases, pneumonia can also result from this infection as a result of mutational changes.
It is found in cats, whales, humans, and swine.
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a single gene trait with two alleles that show incomplete dominance should possess the same number of possible genotypes and phenotypes. (true or false)
Answers
The statement "a single gene trait with two alleles that show incomplete dominance should possess the same number of possible genotypes and phenotypes." is false because A single gene trait with two alleles that show incomplete dominance should have three possible genotypes and three possible phenotypes.
In incomplete dominance, the heterozygous genotype produces a unique phenotype that is a blend of the two homozygous phenotypes.
For example, if red flowers (RR) and white flowers (WW) have incomplete dominance, the heterozygous genotype (RW) would produce pink flowers. This means that there are three possible genotypes (RR, RW, and WW) and three possible phenotypes (red, pink, and white).
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What are the 4 major muscles of the arm?
Answers
Answer:
Your upper arm muscle anatomy includes:
Biceps brachii. Your biceps muscle is in the middle of your upper arm. ...
Brachialis. ...
Coracobrachialis. ...
Triceps brachii.
Explanation:
The four major muscles of the arm are the biceps brachii, triceps brachii, brachialis, and brachioradialis.
What are muscles?
Muscles are tissues in the body that contract and relax to produce movement and generate force. They are responsible for a variety of movements, including locomotion, movement of internal organs, and facial expressions. Muscles are composed of muscle fibers, which are long, cylindrical cells that contain myofibrils that contract and relax to produce movement.
Biceps brachii: This muscle is located in the front of the upper arm and is responsible for flexing the elbow and supinating the forearm.Triceps brachii: This muscle is located in the back of the upper arm and is responsible for extending the elbow.Brachialis: This muscle is located underneath the biceps and is responsible for flexing the elbow.Brachioradialis: This muscle is located on the lateral side of the upper arm and is responsible for flexing the elbow and supinating the forearm.These muscles work together to control the movement of the arm and forearm and to allow for fine motor skills such as gripping objects. Understanding the function and anatomy of these muscles is important for sports medicine, physical therapy, and rehabilitation.
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Define Peripheral Nervous System.
Answers
Answer:
The peripheral nervous system is one of two components that make up the nervous system of bilateral animals, with the other part being the central nervous system.
Explanation:
ANATOMY
the nervous system outside the brain and spinal cord.
Which ion is a found in a glass of water
Answers
In a glass of water, the most common ion found is the hydroxide ion (OH-) and the hydrogen ion (H+).
These ions are formed when water molecules dissociate through a process called self-ionization or autoionization.
In a glass of water, several ions can be found, originating from the dissociation of water molecules. The main ions present are hydrogen ions (H+) and hydroxide ions (OH-), resulting from the self-ionization of water.
Water molecules can break apart spontaneously into equal concentrations of H+ and OH- ions through a process called autoionization. This occurs when a water molecule donates a proton (H+) to another water molecule, forming H3O+ (hydronium ion) and OH-.
Additionally, other ions might be present in a glass of water depending on its source. For example, tap water can contain various dissolved ions like calcium (Ca2+), magnesium (Mg2+), sodium (Na+), chloride (Cl-), and bicarbonate (HCO3-). These ions come from minerals and other substances present in the water source, such as groundwater or surface water.
It's worth noting that the specific ion composition of water can vary depending on factors like location, treatment processes, and water source. However, the fundamental ions present in water are H+ and OH- resulting from the autoionization of water molecules.
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The population of monkeys in a tropical forest were recorded for two consecutive years. In the first year, 465 monkeys were recorded, while 875 were recorded in the second year. What is the monkeys population growth rate in the secondary year? show your solution.
Answers
Answer:
there is a 188% increase in the total population of monkeys in the secondary year.
Explanation:
If you divide 875 by 465, you get the decimal 875 represents comparitively to 465. Multiply that number, 1.8817, by 100 and you get 188, which is the percent increase from 465 to 875. Hope this helps!
In Saccharomyces cerevisiae, a cross between a haploid suppressive petite mutant and a haploid wild type results in petite diploid progeny. This is because
a. the petite mutant contains a dominant negative mutation in a nuclear gene, which is required for mitochondria function
b. the petite mutant contains deletion in mtDNA, which give non-functional mutant mitochondria proliferation advantage
c. the petite mutant contains a loss-of-function mutation in nuclear gene, which is required for mitochondria function
d. the petite mutant contains extensive in mtDNA, which renders the mitochondria non-functional
Answers
The Correct answer is b. The petite mutant contains a deletion in mtDNA, which gives non-functional mutant mitochondria a proliferation advantage.
Petite mutants in Saccharomyces cerevisiae are characterized by their inability to respire aerobically and are often associated with deletions in mtDNA. In a cross between a haploid suppressive petite mutant and a haploid wild type, the resulting petite diploid progeny contains a mixture of wild-type and mutant mtDNA.
However, the petite mutant mtDNA has a proliferation advantage because it does not require the same level of energy as the wild-type mtDNA. This allows the non-functional mutant mitochondria to outcompete the functional wild-type mitochondria, resulting in petite diploid progeny.
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5. EASY WILL GIVE BRAINLIEST
Ryan puts a beaker of ice and water on a hot plate, and the ice slowly
begins to melt as shown in the figure below. After a few minutes, only liquid
water is in the beaker. Eventually, the water becomes hot and boils. The
liquid water changes to water vapor. In what way is the liquid water
different from the water vapor? *
OO
The liquid particles move slower.
The liquid has a higher boiling point.
The vapor has a lower temperature.
The vapor particles have less energy.
lo
Answers
dual innervation means that an individual effector
Answers
False, Dual innervation refers to the phenomenon where an organ or tissue is innervated by both sympathetic and parasympathetic nervous systems.
This is common in many organs in the body, including the heart, lungs, and digestive system. The sympathetic and Dual innervation parasympathetic nervous systems have opposing effects on these organs, with the sympathetic system generally promoting activity and the parasympathetic system promoting relaxation. The balance between these two systems is important for maintaining homeostasis in the body. However, dual innervation does not refer to the innervation of an individual effector, but rather to the innervation of an organ or tissue by both sympathetic and parasympathetic nerves.
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The complete Question is:
Dual innervation means that an individual effector. True or false
Develop a project plan, clearly indicating the project scope, deliverables, flow of deliverables, project. activities, Work Break Structure (WBS), the schedule, quality criteria, and expected risks. (50Marks) Project: Conference - You are required to organize and run a conference for 100 delegates. - The date and subject matter are set. - The focus of the conference is to bring members of Project Management profession up to date on recent procedures and standards and to developments in professional allow for networking between fellow members. Task 2 A farmer has been allocated 100 hectares of an arable land in Otavi. The farmer is not sure whether to grow vegetables or to produce livestock feed on the plot. He then approaches you for advice as to which option will maximize his benefits from an efficiency point of view. Prepare a detailed Project plan for each of the two options. (50Marks) 2. Use the Cost-Benefit Analysis Method to compare which option will bring more economic benefits. 3. What other factors would you consider in making final recommendations? 4. Use Chapters in the prescribed textbook and any other resources to guide you in the assignment. NB: Students are expected to have read Chapters in the prescribed textbook and apply the Cost-Benefit analysis method to the given project.
Answers
1. Organize and run a conference for 100 delegates in order to update project management professionals on recent procedures and standards and facilitate networking opportunities. 2. Successful execution of the conference, updated procedures and standards material, networking opportunities. 3. Pre-conference planning, venue setup, registration, keynote speeches, breakout sessions, networking activities, post-conference evaluation. 4. Project Activities: Venue selection, budgeting, speaker invitations, program development, marketing and promotion, logistics management, registration process, on-site coordination.
Task 1: Organizing a Conference
1. Project Scope:
Organize and run a conference for 100 delegates.Date and subject matter are already set.Focus on updating project management professionals on recent procedures, standards, and developments in the profession.Provide networking opportunities for conference attendees.2. Deliverables:
Successfully organized conference event.Well-informed and engaged conference attendees.Networking opportunities for project management professionals.3. Flow of Deliverables:
Pre-conference planning and preparationConference event executionPost-conference follow-up and evaluation4. Project Activities:
Venue selection and bookingDeveloping a conference program/agendaIdentifying and inviting relevant speakers/presentersManaging registrations and attendee communicationsOrganizing logistics (catering, audiovisual equipment, signage, etc.)Coordinating networking activitiesConducting post-conference evaluation and feedback collection5. Work Breakdown Structure (WBS):
Each project activity should be broken down into smaller, manageable tasks to create a comprehensive WBS.6. Schedule:
Create a timeline outlining the start and end dates of each project activity, including dependencies and milestones.7. Quality Criteria:
Define specific quality standards for each deliverable, such as the professionalism of speakers, attendee satisfaction, smooth event logistics, and effective networking opportunities.8. Expected Risks:
Identify potential risks and develop a risk management plan, including strategies to mitigate, transfer, or accept risks associated with the conference. Risks could include budget overruns, speaker cancellations, technical failures, or low attendance.Task 2: Farmer's Land Allocation
1. Project Options:
Option 1: Growing vegetables on the plot.Option 2: Producing livestock feed on the plot.2. Cost-Benefit Analysis:
Conduct a cost-benefit analysis for each option to compare the economic benefits.Identify and quantify costs associated with each option (e.g., land preparation, seeds, equipment, labor, maintenance).Identify and quantify benefits (e.g., crop yield, market prices, potential profits, savings on feed costs).3. Other Factors for Consideration:
Environmental factors (water availability, soil suitability)Market demand for vegetables and livestock feedFarmer's expertise and resourcesPotential risks and challenges specific to each option (e.g., pests, diseases, market fluctuations)To learn more about project plan, here
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Many antibiotics work by blocking the function of ribosomes. Therefore, these antibiotics will: ___
Answers
Many antibiotics work by blocking the function of ribosomes. Therefore, these antibiotics will inhibit protein synthesis in bacteria.
This process involves antibiotics binding to the ribosomes, which are essential cellular structures for producing proteins. By blocking the ribosomes, the antibiotics prevent bacteria from making the proteins they need to survive and reproduce. This ultimately leads to the death or impairment of bacterial growth, effectively treating bacterial infections. Some examples of antibiotics that target ribosomes include tetracyclines, macrolides, and aminoglycosides.
It's important to note that antibiotics are specifically designed to target bacterial ribosomes and generally do not affect human ribosomes, ensuring the safety of these medications for use in treating bacterial infections.
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How do natural resource impact international relationships?
Answers
Answer:
Pretty much natural resource
Explanation:
What is the definition of electrochemistry?
Answers
The definition of electrochemistry is the branch of chemistry that deals with the relationship between electrical energy and chemical reactions, involving the transfer of electrons between chemical species at electrodes during oxidation and reduction processes. In electrochemistry, electrons are exchanged between the participating substances, which are typically in contact with electrodes in an electrochemical cell.
Electrochemistry is the study of chemical reactions that involve the transfer of electrons between two substances. These reactions occur at the interface of two phases, such as a solid electrode and a liquid electrolyte. Electrodes are the surfaces where the electron transfer occurs, and oxidation and reduction are the two types of reactions that take place in electrochemistry. Oxidation involves the loss of electrons by a substance, while reduction involves the gain of electrons by a substance. Together, oxidation and reduction make up the process of redox reactions, which are central to many electrochemical processes.
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Nuclear-generated power plants are heavily subsidized. Do you think the market price of these plants should include the costs of the nuclear fuel cycle? Explain.
Answers
The market price of these plants should not include the costs of the nuclear fuel cycle.
What is a nuclear power plant?A nuclear power plant is used in the generation of nucler power and offers a very cheap and relevant means of generating power though it is expensive to build. It also serves a lot of people as a veritable source of electricity.
The nuclear fuel cycle is cheap while the building of the palnt itself is expensive. Hence, the market price of these plants should not include the costs of the nuclear fuel cycle.
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There are y students trying out for a soccer team. only 11 will be chosen. how many will not be chosen
Answers
If there are "y" students trying out for a soccer team and only 11 will be chosen, then the number of students who will not be chosen is y - 11.
In this case, "y" represents the total number of students trying out for the soccer team. Subtracting 11 from "y" gives us the number of students who will not be chosen. This calculation assumes that all students who try out are eligible and that the selection process is based solely on choosing 11 students from the entire pool of candidates. The number of students not chosen can vary depending on the total number of students participating in the tryouts.
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The right atrioventricular valve, or __________, prevents backflow into the right atrium when the right ventricle is contractin
Answers
The right atrioventricular valve, or tricuspid valve, prevents backflow into the right atrium when the right ventricle is contracting.
What is the name of the valve that prevents backflow into the right atrium when the right ventricle is contracting?The tricuspid valve is one of the four valves in the human heart and is located between the right atrium and the right ventricle. It consists of three cusps or leaflets, hence the name "tricuspid." The primary function of the tricuspid valve is to prevent the backflow of blood from the right ventricle into the right atrium during ventricular contraction.
When the heart contracts, the right ventricle pumps blood to the lungs for oxygenation. The tricuspid valve closes to ensure that blood flows in one direction, from the right atrium to the right ventricle, and does not flow backward into the atrium. This prevents the regurgitation of blood and maintains proper blood flow through the heart.
The tricuspid valve works in coordination with the other heart valves to facilitate efficient circulation. As the right ventricle contracts, the tricuspid valve closes, preventing the backflow of blood into the right atrium. At the same time, the pulmonary valve opens, allowing blood to be pumped into the pulmonary artery and onward to the lungs.
In summary, the tricuspid valve plays a crucial role in maintaining the unidirectional flow of blood through the heart. It ensures that blood moves efficiently from the right atrium to the right ventricle during ventricular contraction, preventing any backflow into the atrium.
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PLEASE HELP ANSWER THESE
1. Which of the following pairs of chemicals are understood to be the products of photosynthesis and the reactants in cellular respiration?
A. C6H12O6 + 6H2O
B. 6CO2+ H2O
C. C6H12O6 + 6O2
D. 6CO2 + 6H2O
2. Which of the following statements describes a process that occurs during photosynthesis but not during cellular respiration?
A. ATP is produced that stores energy. B. Chemical energy is converted to light energy.
C. Reactions occur in the mitochondria of the cell. D.Light energy is converted to chemical energy.
3. If we compare photosynthesis and cellular respiration in terms of energy conversions involved, we observe that in–
A. photosynthesis, carbon dioxide is used to produce energy.
B. photosynthesis, energy is used to produce oxygen.
C. cellular respiration, carbon dioxide is used to produce energy.
D. cellular respiration, energy is used to produce oxygen.
4. Which of the following pairs of chemicals are understood to be the chemical reactants in photosynthesis and the products of cellular respiration?
A. Sugar and water B. Carbon dioxide and oxygen
C. Sugar and oxygen D. Carbon dioxide and water
5. What is the relationship between photosynthesis and cellular respiration?
A. The reactants of cellular respiration and photosynthesis are the same but their products are different.
B. Cellular respiration is one of the steps in the process of photosynthesis.
C. Photosynthesis is one of the steps in the process of cellular respiration.
D. The reactants of cellular respiration are the products of photosynthesis and the reactants of photosynthesis are the products of cellular respiration.
Answers
Explanation:
1. C
2. D
3. B
4. D
5. D
hope it helps. :)
greater prairie chickens once inhabited about every county in wisconsin. by 1930, however, it was estimated that only about 55,000 birds inhabited the state. in 1950, only about 2,500 birds remained in four isolated areas in the center of the state and by 1960 these birds declined in abundance to about half this size (~1,250 birds). since 1960 the number of birds has fluctuated around this level. it is estimated that greater prairie chickens have a generation time of about two years. data were obtained from the mitochondrial dna of historic (1951-1954) and contemporary (1998-2000) samples of birds from wisconsin. the average number of alleles per gene locus were significantly lower in the contemporary samples compared to the historic samples. (hint: having only two alleles per gene is rare in any population). a. using your knowledge of evolution and speciation, what is the most probable explanation for the allele differences observed in the prairie chickens from the 1950's to the 2000's?
Answers
Answer: The most likely explanation for the allele differences observed in Greater Prairie Chickens between the 1950s and 2000s is genetic bottleneck. This occurs when a population experiences a significant reduction in its total size, resulting in a decrease in the amount of genetic diversity within the population. This can lead to a decrease in the number of alleles per gene locus, as individuals may carry the same alleles more frequently due to the reduced gene pool. In the case of Greater Prairie Chickens, it is possible that the population experienced a genetic bottleneck in the late 20th century, resulting in a loss of genetic diversity and a decrease in the number of alleles per gene locus in contemporary samples compared to historic samples.
A eukaryotic organism was found in a pond. The single-celled organism possessed photosynthetic capabilities, had a cell wall, and appeared to reproduce asexually. It was determined that the cell wall does not contain chitin. In which kingdom does this organism belong?
A.Protista
B.Fungi
C.Plantae
D.Animalia
Answers
Use the drop-down menus to complete the equation for photosynthesis. + energy, + +
Answers
Answer:
Use the drop-down menus to complete the equation for photosynthesis.
carbon dioxide
+ water + energy → glucose + oxygen
Explanation:
i just did the assignment on edj.
Answer:
Carbon dioxide+water+energy+glucose+oxygen
Explanation:
What might be some ways in which a person could lose or alter their fingerprint?.
Answers
"According to a recent study, there are a number of skin disorders that might cause the loss of fingerprints, with nonspecific dermatitis topping the list. Primary hyperhidrosis, irritating contact dermatitis, dyshidrotic eczema, psoriasis, and mechanical abrasion were also found to be contributing factors."
Fingerprint- The study of all the skin's friction ridges, including the fingers, palms, toes, soles, and their markings, in order to deduce the identification of the source is known as forensic evidence of fingerprint.
Skin Disorder- Skin problems known as skin diseases can harm your skin. Rashes, inflammation, itching, and other skin changes can be brought on by these illnesses. While certain skin diseases may be hereditary, others may be brought on by a person's lifestyle.
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Question 1 of 10
A plant is able to survive in a temperate forest biome, but cannot survive in a
desert biome. Which is most likely a characteristic of this plant?
A. Able to stop water from evaporating
B. Needs sunlight year-round to survive
C. Able to live through changes in temperature
D. Does not need very much water to survive
SUBMIT
(HELPPPPPP !!!!!! N HURRRYYY)
Answers
Answer:
C Able to live through changes in temperature
Explanation:
why is a selective marker (such as drug resistance) important in recombinant dna technology?
Answers
A selective marker, such as drug resistance, is important in recombinant DNA technology as it allows for the identification and selection of cells that have successfully incorporated the desired recombinant DNA.
In recombinant DNA technology, foreign DNA is often introduced into host cells to produce recombinant organisms that express specific traits or produce desired products. However, not all cells will successfully uptake and incorporate the foreign DNA. To identify and select the cells that have taken up the recombinant DNA, a selective marker is introduced along with the desired DNA.
The selective marker is typically a gene that confers resistance to a specific drug or antibiotic. Cells that have successfully incorporated the recombinant DNA will also carry the selective marker and will be able to survive and grow in the presence of the drug or antibiotic. On the other hand, cells that have not taken up the recombinant DNA will not have the selective marker and will be unable to survive in the presence of the drug or antibiotic.
By applying selective pressure, only the cells containing the desired recombinant DNA and the selective marker will survive and be propagated, allowing for the isolation and identification of the desired transformed cells.
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Peptide growth factors act through which of the following types of signal receptors? G protein-coupled receptors O ligand-gated ion channels O receptor tyrosine kinases intracellular receptors
Answers
Peptide growth factors act through receptor tyrosine kinases types of signal receptors. Peptide growth factors are substances that control cell growth and differentiation in multicellular organisms.
Peptide growth factors stimulate cellular proliferation and differentiation, as well as the synthesis of extracellular matrix components, and are essential for the growth and maintenance of normal tissues. Increased cellular proliferation, a fundamental feature of cancer, has been linked to increased peptide growth factor synthesis and release by the host. Peptide growth factor receptors are a vital component of the intracellular signaling systems that control gene expression and cell behavior in response to various extracellular stimuli. Receptor tyrosine kinases have intracellular tyrosine kinase activity, which is activated when peptide growth factors bind to the extracellular domain of the receptor.
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Use the drop-down menus to complete the steps for using find and replace commands. make sure you have not selected any particular cell. under the tab, go to the command group. choose the option. type in the information you want to find and what it should be replaced with. to make sure all instances are changed at once, select .
Answers
Cells, the home, Insert, Choose a cell or a group of cells. Press Ctrl + C or choose Copy. Ctrl + V or Paste are two options.
What command applies the format of a specified cell to another cell or cell range after copying it from the first?The cell with the formatting you want to copy should be selected. Select Format Painter > Home. Drag to choose the cell or range that you want to format. When you let go of the mouse button, the formatting should now take effect.
Which tool enables you to format a cell or group of cells depending on their value or the value of an underlying formula?Cells are typically formatted based on their own values using Excel's predefined conditional formatting, such as Data Bars, Color Scales, and Icon Sets. If you wish to format a whole row based on a conditional format or apply conditional formatting based on another cell,
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Answer:
Make sure you have not selected any particular cell.
Under the
✔ Home
tab, go to the
✔ Editing
command group.
Choose the
✔ Replace
option.
Type in the information you want to find and what it should be replaced with. To make sure all instances are changed at once, select
✔ Replace All
.
Explanation:
Select all that apply Exchange processes that occur in capillaries include ______. Multiple select question. diffusion the sodium/potassium pump bulk flow vesicular transport
Answers
Exchange processes that occur in capillaries include diffusion, bulk flow, and vesicular transport.
Diffusion: Capillaries facilitate the exchange of substances, such as gases (oxygen and carbon dioxide) and small molecules, through the process of diffusion. This occurs as substances move from areas of higher concentration to areas of lower concentration across the capillary walls.
Bulk Flow: Capillaries also participate in bulk flow, which involves the movement of fluid and solutes due to pressure gradients. This process allows for the exchange of nutrients, waste products, and hormones between the blood and surrounding tissues.
Vesicular Transport: While less common than diffusion and bulk flow, capillaries can facilitate vesicular transport. This mechanism involves the movement of macromolecules or larger particles across the capillary walls through the formation and fusion of vesicles.
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2. Why is there a variation in the base that adenine pairs with in DNA and RNA?
Answers
Answer:
However, the “bases” of RNA differ from those of DNA in that thymine (T) is replaced by uracil (U) in RNA. DNA and RNA bases are also held together by chemical bonds and have specific base pairing rules. In DNA/RNA base pairing, adenine (A) pairs with uracil (U), and cytosine (C) pairs with guanine (G).
The variation in the base that adenine pairs with in DNA and RNA is due to the chemical properties of the nucleotide bases and their ability to form hydrogen bonds with other bases.
What are nucleotides?Nucleotides are the building blocks of nucleic acids, which include DNA and RNA, and play a critical role in the storage and transmission of genetic information in living organisms. A nucleotide consists of three components: a nitrogenous base, a five-carbon sugar, and a phosphate group.
There are four types of nitrogenous bases in DNA: adenine, thymine, guanine, and cytosine. In RNA, uracil replaces thymine. The nitrogenous base, sugar, and phosphate group combine to form a nucleotide, and these nucleotides join together through covalent bonds between the sugar and phosphate groups to form long chains of nucleic acids.
The specific sequence of nucleotides in DNA and RNA provides the genetic code that determines an organism's traits and characteristics.
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Which are the basic physical sciences?
1. biology, paleontology, biochemistry and zoology
2. chemistry, physics, astronomy and earth science
3. medicine, biotechnology, genetics and pharmacology
4.mathematics, statistics, logic and computer science
Answers
Answer:
212346661727777277383939848484383838383
Answer:2
Explanation:
Chemistry, physics, astronomy, and earth science are the basic physical sciences:)