Would there be more ocean floor between the continents or less? Why?
Answers
Answer:
Yes there is
Explanation:
There is more ocean flooring than there is land, reason being is there is a lot more water than land. Take a look at pangea there is more water than there is land and its being stopped from reaching the core by the ocean floor and there is a lot of floor on the bottom of the ocean so yes there is more ocean floor between the continents. There is more because pangea broke off into pieces making more room for land
Related Questions
From the information on linkage, chromosomal mapping, and many associated phenomena, what answers would you propose to the following fundamental questions?
Part A
How was it established experimentally that the frequency of recombination (crossing over) between two genes is related to the distance between them along the chromosome?
Answers
Crossing over is the exchange of chromosome segments between non-sister chromatids during meiosis. This process is one of the mechanisms responsible for genetic diversity and also serves as the basis for genetic mapping. Genetic mapping is used to determine the position of genes on a chromosome.
To establish experimentally that the frequency of recombination between two genes is related to the distance between them along the chromosome, the following steps must be followed: The frequency of recombinants is determined by cross-breeding parent organisms with different traits. Determining the distance between the two genes is the next step in the process. This is accomplished by observing the percentage of recombinant progeny that result from a particular cross. The distance between the genes is proportional to the frequency of recombinant progeny. Crossing over occurs more frequently between genes that are far apart on the chromosome than those that are close together. As a result, genes that are close together are less likely to cross over and produce recombinant offspring.
To determine the distance between genes on the chromosome, a mapping function is used. By analyzing the frequency of recombinant progeny resulting from different crosses, the distance between the genes can be calculated. This distance is proportional to the frequency of recombinants.
To know more about Crossing over visit:-
https://brainly.com/question/31863061
#SPJ11
А
2 The monomer of a nucleic acid is a nucleotide.
Label it on the diagram at right.
С
B
A nucleotide
Answers
Do ionic bonds give electrons?
Answers
Answer:
In ionic bonds, there is a transfer of electrons from one atom to another. Because of the transfer of electrons, the atoms that gain electrons become negatively charged, while the atoms that lose electrons will be positively charged. [1] If the atom has an additional electron, then the atom becomes a negative ion, known as anion. Meanwhile, if the atom loses electrons, then the atom becomes a positive ion or cation. [2] Because of the difference in charge between ions (positive ions and negative ions), the positive and negative ions will attract each other by electrostatic forces. This event is the basis of ionic bonding.
#sorry if wrong
the immediate source of energy for atp synthesis in chloroplasts is _______, while the ultimate source of energy for atp synthesis in chloroplasts is _______.(A) NADPH; energized chlorophylls
(B) NADPH; electron transport
(C) electron transport; a proton gradient
(D) a proton gradient; light
(E) light; electron transport
Answers
The immediate source of energy for atp synthesis in chloroplasts is a proton gradient, while the ultimate source of energy for atp synthesis in chloroplasts is light.
What is a chloroplast and its function?By the processes of photosynthesis and oxygen release, chloroplasts provide energy that supports plant growth and crop output. As a result, active substances such amino acids, chlorophylls, nucleotides, vitamins, lipid, and secondary metabolites are biosynthesized by chloroplasts.
Where can you find chloroplast?All green organs of plants and algae include chloroplasts. In tissues that don't seem green, like as the brown blades of giant kelp or the crimson leaves of certain plants, chloroplasts are also present.
To know more about Chloroplasts visit:
https://brainly.com/question/11136550
#SPJ1
Which features from the pKAN-R and pARA plasmids should be included in your new recombinant plasmid to produce RFP in E. coli cells? Select all that apply.
antibiotic resistance gene (either AmpR or KanR) gene for red fluorescent protein expression (rfp) pBAD promoter origin of replication (ori) araC gene that regulates the pBAD promoter correct
Answers
The features from the pKAN-R and pARA plasmids that should be included in the new recombinant plasmid to produce RFP in E. coli cells are: the antibiotic resistance gene (either AmpR or KanR), the gene for red fluorescent protein expression (rfp), the pBAD promoter, and the origin of replication (ori). Additionally, the araC gene that regulates the pBAD promoter should also be included.
Antibiotic resistance gene: This feature is necessary to select and maintain the plasmid in E. coli cells. It provides resistance to antibiotics such as ampicillin (AmpR) or kanamycin (KanR), enabling the selection of transformed cells.Gene for red fluorescent protein expression (rfp): The rfp gene encodes the red fluorescent protein, which is the desired product. Including this gene ensures the production of RFP in E. coli cells.pBAD promoter: The pBAD promoter is an inducible promoter that can be controlled by the presence or absence of arabinose. It allows for regulated expression of the rfp gene. When arabinose is present, the pBAD promoter is activated, leading to the transcription of the rfp gene and subsequent production of RFP. Origin of replication (ori): The ori is a DNA sequence that enables the plasmid to replicate within the host cell. It is necessary for the maintenance and amplification of the plasmid during cell division.araC gene: The araC gene encodes a regulatory protein that controls the activity of the pBAD promoter. In the absence of arabinose, AraC acts as a repressor, preventing the expression of the rfp gene. When arabinose is present, it binds to AraC and induces a conformational change, allowing the pBAD promoter to become active and initiate the expression of the rfp gene.To know more about Antibiotic click here,
https://brainly.com/question/10868637
#SPJ11
25. A nerve fiber that conducts impulses toward muscles and glands is called a __________ fiber. A nerve that conducts impulses toward the brain and spinal cord is called a __________ fiber.
Answers
Answer:
A nerve fiber that conducts impulses toward muscles and glands is called a _____motor_____ fiber. A nerve that conducts impulses toward the brain and spinal cord is called a ______afferent____ fiber.
A nerve fiber that conducts impulses toward muscles and glands is called a motor neuron fiber. A nerve that conducts impulses toward the brain and spinal cord is called a sensory nerve fiber. Both are important for the proper functioning of the body.
What are sensory and motor nerve fibers?The sensory nerve fibers send the stimulus in the form of an impulse from the sensory organs to the spinal cord, where the sensory organs can be skin, eyes, etc. An example is when a person sees a dog coming towards them, and the sensory nerve fiber that is associated with the eye sends the signal from the eye to the spinal cord. The spinal cord takes proper action by sending the motor nerve fibers to the effector organ, which is the leg muscle. In this case, the individual will run.
Hence, A nerve fiber that conducts impulses toward muscles and glands is called a motor neuron fiber. A nerve that conducts impulses toward the brain and spinal cord is called a sensory nerve fiber.
Learn more about the sensory and motor nerve fibers here.
https://brainly.com/question/13662724
#SPJ2
The pedigree below shows several generations of a family in which cystic fibrosis runs. A healthy phenotype is dominant (C), and cystic fibrosis is recessive (c). Shaded individuals have cystic fibrosis. Symbols with question marks have unknown genotypes and phenotypes. 11. Individual 4 was found to have a genotype of Cc, which means individual 4’s phenotype is
A. healthy male
B. male with cystic fibrosis
C. healthy female
D. female with cystic fibrosis
The answer is B, right?
Answers
Answer:
The correct answer should be A
Explanation
Since we know the genotype of individual 4 to be Cc (heterozygous), and C indicates a healthy person. In contrast, c indicates having cystic fibrosis. We can conclude that this person is healthy. C is dominant over c; therefore, this person does not have cystic fibrosis. If this person did have cystic fibrosis, they would need to be homozygous recessive (cc). This does mean, however, that since the person has the recessive allele (c) for cystic fibrosis, they are a carrier of it. That means that if they were to have children with someone who had cystic fibrosis (cc) or was a carrier of the recessive allele (Cc), their children could possibly have cystic fibrosis.
Spongy, porous bone tissue is also called: Yellow bone marrow Compact bone Bone sinus Cancellous bone
Answers
Answer:
Cancellous bone
Explanation:
chest pain usually caused by an insufficient supply of oxygen to the heart is:
Answers
Chest pain usually caused by an insufficient supply of oxygen to the heart is known as angina. Angina occurs when the heart muscle doesn't receive enough oxygen-rich blood, often due to narrowed or blocked coronary arteries.
The heart requires a constant supply of oxygen-rich blood to function properly, and when this supply is disrupted, it can cause chest pain, tightness, pressure, or discomfort. The most common cause of angina is atherosclerosis, which is the buildup of plaque in the arteries that supply blood to the heart. When these arteries narrow, the heart muscle may not receive enough oxygen-rich blood during physical activity or stress, leading to angina symptoms. Other causes of angina may include coronary artery spasms, blood clots, or infections. If left untreated, angina can lead to a heart attack.
Treatment options may include medications, lifestyle changes, and in severe cases, surgery. It's important to seek medical attention if you experience chest pain or any other symptoms of angina, as early diagnosis and treatment can help prevent further complications.
To know more about Chest click here:
https://brainly.com/question/12454291
#SPJ11
Cells transport sodium ions out of the cell against the sodium concentration gradient. this is an example of __________.
Answers
Cells transport sodium ions out of the cell against the sodium concentration gradient, this is an example of active transport.
Active transport is a process that requires the expenditure of energy to move molecules or ions against their concentration gradient, from an area of lower concentration to an area of higher concentration. In this case, cells use energy, typically in the form of ATP, to actively pump sodium ions out of the cell, even though the concentration of sodium ions is higher outside the cell than inside.
This process is important for maintaining the balance of ions and the overall homeostasis of the cell. By moving sodium ions against their concentration gradient, cells can regulate the intracellular concentration of sodium and play a crucial role in various physiological processes such as nerve impulse transmission, muscle contraction, and nutrient absorption.
Learn more about homeostasis at:
https://brainly.com/question/32503486
#SPJ11
Various molecules group together to eventually form cells, or the basic units of all living things. Some organisms, such as bacteria, are ____________ , while others, such as humans, are ____________ .
Answers
Answer:
unicellular
multicellular
Hope this helps :) !!!
20 POINTS!! HELP ME PLZZ I NEED HELP WITH THIS!!
Answers
Answer:
The correct options are A and B
Explanation:
The two sentences that describe how meiosis differs from mitosis are - "Meiosis produces cells with half the chromosomes of the parent cell" and "Meiosis produces either male or female gametes."
Imagine you are carrying out research on the lac operon. You isolate six mutations in the lac operon by measuring the amount of beta-galactosidase made in mutant cell line under three different conditions: no lactose/no glucose; lactose only; and lactose/glucose. Your results are shown in the table.
Strain No Lactose, No Glucose Lactose Lactose, Glucose
Wild-type None High Low
Mutant 1 None None None
Mutant 2 None None None
Mutant 3 None Low Low
Mutant 4 None Low Low
Mutant 5 High High Low
Mutant 6 High High Low
Part A
You notice that two mutations result in no expression of the lac operon (Mutations 1 and Mutation 2), two mutations result in low expression of the lac operon even in the presence of lactose and the absence of glucose (Mutation 3 and Mutation 4), and two mutations result in constitutive expression of the lac operon (Mutation 5 and Mutation 6).
First, think about what types of mutations could cause the phenotypes you see.
Sort each mutation into the bin that describes its expression pattern.
Answers
An "up" mutation would render the lac operon independent of the cAMPCAP complex's positive regulation (when the operon is stimulated). Hence (d) is the correct option.
The phenotype of a "down" mutation would be non-inducible since it would prevent expression even in the de-repressed state (with inducer present).The lac Z gene produces the primary enzyme of the lac operon, -galactosidase, which catalyses the hydrolysis of lactose by splitting it into glucose and galactose. The lac operon is made up of the regulatory i gene, which produces the lac operon's repressor.
To know more about mutation, click here:
https://brainly.com/question/17106056
#SPJ4
Imagine you are carrying out research on the lac operon. You isolate six mutations in the lac operon by measuring the amount of beta-galactosidase made in mutant cell line under three different conditions: no lactose/no glucose; lactose only; and lactose/glucose. Your results are shown in the table.
Which of the following type of mutation is a possible for Mutants 1 and 2?
A. lacP- (promoter mutation)
B. lacZ- (beta-galactosidase mutation)
C. IS- (super-repressor)
D. all of the above
E. none of the above
Jenna made this model to show the processes which resulted in the formation of oceans. (Attachment below)
Which of the following would be the next step in the process?
1. Crust is broken down
2. Earths crust moves
3. Earths plates meet
4. Sea floor spreading
Answers
Based on the model in the attachment, the next step in the process of ocean formation would be option 4, "Sea floor spreading".
What is ocean formation?Ocean formation refers to the processes by which the world's oceans were created and have evolved over time. The oceans are thought to have formed around 4 billion years ago, as a result of a combination of factors including volcanic activity, outgassing of water vapor from the Earth's interior, and the delivery of water-rich materials such as comets and asteroids. Over time, the oceans have continued to evolve and change due to a variety of processes, including plate tectonics, which has caused the size and shape of the ocean basins to shift and change, as well as the influence of the atmosphere and climate, which has impacted ocean circulation and the distribution of heat and nutrients. Today, the oceans cover more than 70% of the Earth's surface and play a critical role in regulating the planet's climate, providing habitat and resources for countless species of marine life, and supporting a variety of human activities such as fishing, transportation, and recreation. Understanding the processes that have shaped the oceans over time is an important area of research for scientists seeking to better understand the Earth's history and its present-day systems.
Here,
This process occurs at mid-ocean ridges where magma rises up and solidifies to form new oceanic crust. As the new crust is formed, it pushes the older crust away from the ridge, causing the ocean floor to spread and creating new ocean basins. This process is a key mechanism for the continual renewal of the oceanic crust and the growth of the oceans over geologic time.
To know more about ocean formation,
https://brainly.com/question/11679506
#SPJ1
Viruses are considered to be___________ because________________
Answers
Answer:
Viruses are considered to be non-living because they arent
Answer:
I think it's viruses are considered to be non-living because a virus can't reproduce by itself. It must hyjack a cells system to be able to reproduce.
What is ethanol? What does ethanol do in our system (as it pertains to drinking alcohol?) What is the relatively small size of the ethanol size important
Answers
Ethanol is naturally produced by the fermentation of sugars by yeasts or via petrochemical processes, and is commonly consumed as a popular recreational drug. It also has medical applications as an antiseptic and disinfectant. The compound is widely used as a chemical solvent, either for scientific chemical testing or in synthesis of other organic compounds, and is a vital substance used across many different kinds of manufacturing industries. Ethanol is also used as an alternative fuel source.
How does the article "how to find the next pandemic before it finds us" relate to biology
Answers
The article "How to Find the Next Pandemic Before It Finds Us" is likely to relate to biology in several ways:
Study of Infectious Diseases: Biology encompasses the study of infectious diseases, including the viruses and other pathogens responsible for pandemics. The article may discuss the biology of viruses, their transmission, and the mechanisms by which they cause disease.
Epidemiology and Public Health: Biology plays a crucial role in understanding and responding to pandemics from an epidemiological and public health perspective. The article may explore topics such as disease surveillance, outbreak investigation, and strategies for preventing and controlling the spread of infectious diseases.
Host-Pathogen Interactions: Understanding the biological interactions between pathogens and their host organisms is fundamental to studying pandemics. The article might delve into the molecular and cellular aspects of host-pathogen interactions, immune responses, and the factors that contribute to the emergence and spread of new infectious diseases.
Genomics and Molecular Biology: Advances in genomics and molecular biology have revolutionized our understanding of pathogens and their genetic makeup. The article may discuss how these fields contribute to identifying and monitoring potential pandemic threats by studying the genetic diversity and evolution of pathogens.
One Health Approach: The article might touch upon the concept of "One Health," which recognizes the interconnectedness of human, animal, and environmental health. Biology encompasses the study of zoonotic diseases (diseases that can spread between animals and humans), and the article could highlight the importance of monitoring and understanding zoonotic pathogens to prevent future pandemics.
Overall, the article is likely to explore the biological aspects of pandemics, focusing on the scientific understanding, surveillance, prevention, and response strategies related to infectious diseases.
learn more about biology here
https://brainly.com/question/28405832
#SPJ11
What is another term for migration?
Answers
Answer:
Relocation is a synonym of migration.
Answer:
Relocation, Resettling, Moving, Emigration.
Explanation:
Hope this helps love! Bless you.
What material reads the genetic information carried by DNA and guides the protein making process
Answers
Answer: ribonucleic acid!
Plant and animal cells are both eukaryotic. Using the model, identify the similarities between the two cells.
Question 3 options:
Both have a plasma membrane, ribosomes, mitochondria, and centrioles.
Both have a plasma membrane, ribosomes, mitochondria, and golgi apparatus.
Both have a cell wall, ribosomes, mitochondria, and endoplasmic reticulum.
Both have a mitochondria, nucleus, endoplasmic reticulum, and chloroplasts.
Answers
Answer:
Both have a plasma membrane, ribosomes, mitochondria, and golgi apparatus.
Explanation:
Animal cells don't have a cell wall nor chloroplasts. Centrioles are exclusive to animal cells.
Plant and animal cells both are eukaryotic.
The similarities between the two cells are that both have plasma membrane, ribosomes, mitochondria and golgi apparatus.
Major differences between plant and animal cellsPlant cells contain cell wall which maintains the integrity of the cell as well as protect the plant cell.
whereas, animal cell lack cell wall.
Plant cell contain chloroplast to carry out photosynthesis and make their own food.Whereas, an animals are heterotrophic that relies on plants for the
nutrients.
Other than that plant cell lack centrioles.To know more about animal cell and plant cell :
https://brainly.com/question/11288508
#SPJ2
How can we become immune to viruses
Answers
Answer:
Vaccines work in much the same way. They expose your body to an antigen that trains your immune system to fight that germ in the future. Because vaccines contain weakened or killed versions of viruses, you become immune without getting sick.
Answer:
Getting it or something that is proven by scientists that will cure it.
Explanation:
Something I've learned is if you get a virus and it goes away your body will build an immunity.
Match the events related to the information of the universe with the stages during which they occurred.
Answers
Events related to the formation of the universe are linked to the states during which they occurred in the image below.
What are the states through which the universe passes?First, the expansion from an infinite hot spot is mentioned, better known as the planck era, it is where the fundamental forces of the universe would be unified and there is still no existence of particles.
Then it follows when the hydrogen fuses with the helium, this era is better called as the era of nucleosynthesis, in this era the atomic nuclei begin to be created thanks to this fusion, in order to generate the rest of the elements.
Finally, the first neutral atom is created, which with this event begins the era of atoms. In this era the electrons that will be free will begin to unite with the nuclei formed.
To learn more about universe visit: https://brainly.com/question/9724831
#SPJ1
PLZZZZ HELP 100 POINTS!!!
Scientific knowledge is based on evidence and is ________.
absolute
tentative
fiction
fact
Answers
Answer:
tentative
Explanation:
science is not an absolute fact nor fiction, but rather not certain nor fixed based upon what is observed, making it tentative.
Answer:
I feel the best response to this question would be tentative
Explanation:
This is because of the nature of scientific knowledge. Knowledge and information we currently have about science are based on what we know so far however there are things in textbooks that have been "proven" wrong just based on the constantly evolving and changing state of the planet and new discoveries. A lot of scientific knowledge stems from theories. Mainly tho, scientific knowledge is tentative because it is often context-dependent and therefore based on what we have discovered and what we come to know as current but can never be absolutely based on the constant changes and new technology and discoveries being made.
why is it important to look at relative length rather then the actual length
Answers
It is critical to consider relative length rather than absolute length since absolute length cannot convey adequate information about an object's size or change in size.
What is relative length?Relative length, defined as the ratio of an object's length to a reference length, enables comparisons between items of different sizes and scales. The relative length of an object, for example, can be used to compare the sizes of various species or the change in size of an object over time.
Furthermore, relative length is important for measuring and calculating since it provides for standardized units of measurement and more precise comparisons.
Find out more on relative length here: https://brainly.com/question/4696946
#SPJ1
How does the nervous system influence the respiratory system? (1 point)
O regulates heart rate
O stimulates pathogen response
O controls muscle contraction
o regulates breathing rate
Answers
Answer:
The nervous system influence the respiratory system by regulating breathing rate.
Explanation:
The respiratory system is controlled by the nervous system, which consists of two branches - the sympathetic and parasympathetic nervous systems. In addition the respiratory centers of the brainstem is responsible for the regulation of breathing patterns.
Which of these organisms have been negatively affected at the species level due to human-induced environmental changes? zebra mussels and kudzu kudzu and dodo birds zebra mussels and Caribbean monk seals Caribbean monk seals and dodo birds
Answers
Answer:
d
Explanation:
In arthritis, there is deposition of urate crystals in joints. If you want to treat the arthritis by decreasing the concentration of circulating uric acid, what will you do with its mechanism in kidney?
Answers
Answer and explanation:
If I'd wanted to decrease the concentration of circulating uric acid by altering its mechanism in the kidney, I would administer a drug that would inhibit uric acid reabsorption and increase its excretion through urine.
Arthritis is a condition characterized by inflammation of the joints and can be caused by many diseases. When the cause of this arthritis is the deposition of urate crystals in the joint because of an increase in the concentration of circulating uric acid (hyperuricemia) we are most likely talking about gout, a painful disease that can deform the joints.
Hyperuricemia and gout have many risk factors associated with them, such as genetic predisposition, unhealthy diet, and suffering from other conditions like Diabetes.
Several medications are used in the treatment of the symptoms and the prevention of the worsening of this disease, but the one that is most frequently used to increase the excretion of uric acid is Probenecid. Probenecid blocks the kidney's OAT (organic anion transporter) that reabsorbs uric acid in the kidney tubules, thus enhancing its excretion and decreasing uric acid's blood concentration.
Earlobes can be either attached or detached. The allele for attached earlobes is recessive(e), and the allele for detached earlobes is dominant(E).What must be true if a boy is born with detached earlobes?
Answers
If a boy is born with detached earlobes then, B, He has a homozygous genotype.
Why does he have a homozygous genotype?If a boy is born with detached earlobes, he must have at least one copy of the dominant allele for detached earlobes (E). Since detached earlobes are a dominant trait, a person with at least one E allele will express the trait, even if they also have one or more copies of the recessive allele for attached earlobes (e).
If one parent has detached earlobes and the other has attached earlobes, then the parent with detached earlobes must have two copies of the E allele and the parent with attached earlobes must have at least one copy of the E allele which makes a homozygous genotype.
Learn more on homozygous genotype here: https://brainly.com/question/12222138
#SPJ1
The complete question is:
Earlobes can be either attached or detached. The allele for attached earlobes is recessive (e), and the allele for detached earlobes is dominant (E). What must be true if a boy is born with attached earlobes? A. He has no recessive alleles. B. He has a homozygous genotype. C. He has a heterozygous genotype. D. He has one of each allele.
What is denitrification? Can someone help me, please? Thank youuuuu :)))))
Answers
Answer:
hy
Explanation:
Answer:
The answer is the second one
why does the rate of photosynthesis increase when the light intensity increases.
please don't say "because there is more light available to drive the reactions of photosynthesis. "
Answers
Answer:
As you rise from low light intensity to higher light intensity, the rate of photosynthesis will increase because there is more light available to drive the reactions of photosynthesis. ... A limiting factor could be the amount of chlorophyll molecules that are absorbing the light.
Answer:
If you continue to increase the intensity of light that a plant receives, what happens? The rate of photosynthesis increases with light intensity. ... The rate of photosynthesis increases and then levels off.. As the light intensity increases the rate of photosynthesis follows (point B on the graph). This means more carbon dioxide is being absorbed by the plant for photosynthesis. So this means more carbon dioxide uptake occurs. The graph shows this increase in carbon dioxide uptake.
Explanation: