Which axis indirectly shows the relative amount of dna per cell? by what relationship?.
Answers
The x-axis indirectly shows the relative amount of DNA per cell. As the DNA was stained, there is a relationship between fluorescence and DNA content.
The x-axis does not show the relative amount of DNA per cell directly. It can be seen through a special type of graph known as a histogram. If we look at it, peaks and dips can be seen as similar to fluorescence.
This indirectly shows the relative amount of DNA per cell. This confirms the relationship between the fluorescence and the relative amount of DNA in the cell.
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Related Questions
Which of the following statements about eutrophication is true?
a. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in
the increased production of plant life and the subsequent increase in the oxygen levels of the
water.
b. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in
the increased production of plant life and the subsequent decrease in the oxygen levels of the
water.
Eutrophication involves the overpopulation of aquatic ecosystems with plant and animal life.
d. Eutrophication is rarely caused by human activity.
Answers
Answer:
b
Explanation:
Eutrophication occurs when excess nutrients like phosphorus from agricultural fertilizers are carried off into aquatic ecosystems. Since phosphorous is one of the limiting nutrients to plants, its excessive amounts result in a drastic increase in algal growth in the water system.
Step 2
As these plants decompose, a high amount of oxygen is used up resulting in a decrease in oxygen levels in the aquatic system. A very low level of oxygen in the water is detrimental to many aquatic organisms.
Result
B
Task 2:
The sizes of boiled eggs were measured before and after they were placed in two
different solutions. Egg A was 125 mm in diameter before being placed in pure
water. It swelled up and increased in size to 180 mm. Egg B shrank from 130 mm
to 100 mm after being placed in a salty solution.
(12 marks)
You must put this information in a table with detailed headings.
Answers
Data tables are used to summarize data recorded during an experiment.
The information provided here involves the type of egg, difference in size before and after being placed in the solution, the type of solution, and how the egg size changed. The table is attached.
What is a data table?
Data tables are representations of data collected during an experiment.
Tables are organized in rows and columns, which resume significant information, making them easy to understand and interpret.
Together graphs and charts are used to express the results of different experiments, to make them more comprehensive to the lector.
In the exposed example, data includes
Egg (A and B)Measure before and after being placed in the solution Solution ( pure water and salty solution)Change (swell - shrank)You will find the table in the attached files
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1.
Which list below describes the next steps of evaporated water through the water cycle? (3 points)
Condensation, precipitation, runoff, ocean storage
Transpiration, condensation, precipitation, ocean storage
Precipitation, condensation, runoff, groundwater
Evaporation, condensation, precipitation, runoff
2.
What is a possible cost of using nonrenewable energy resources? (3 points)
Greenhouse gases
Less water pollution
Sustainable energy
Costs more money
3.
What is the benefit of recycling plastic and paper products to wildlife? (3 points)
Less expense
Clean fuel
Sustainable energy
Fewer landfills
4.
What is the next phase of the carbon cycle for the carbon source labeled A? (3 points)
Label A shows a collection of coal, oil and gas. Label B shows a collection of trees and vegetation. Label C shows sky and open atmosphere.
Photosynthesis
Ocean storage
Fossil fuel emissions
Transpiration
5.
Where is the last storage location for melted snow? (3 points)
Rivers
Ocean
Streams
Mountains
6.
How can the carbon stored in plants reach the atmosphere? (3 points)
Evaporation
Diffusion
Photosynthesis
Cellular Respiration
7.
Which statement best describes the role of plants in the water and carbon cycles? (3 points)
Plants release oxygen when they decompose take in oxygen for photosynthesis.
Plants take in carbon dioxide during photosynthesis and absorb water through their leaves and roots.
Plants take in oxygen during photosynthesis and absorb carbon dioxide through their leaves and roots.
Plants use oxygen to perform photosynthesis and release carbon dioxide as a by-product.
Answers
Answer:
1. d
2. a
3. d
4. probably c
5. b
6. d
7. b
Explanation: Got straight A's in all my biology classes, hope this helps!
Think about the concept of evolution.
Would you say this is a hypothesis or a theory? Think about the difference between a theory and a hypothesis and try to apply it to the concept of evolution.
Definitions:
In science, a theory is more like a scientific law than a hypothesis. A theory explains a set of observations or events. It must be verified multiple times by many different scientists. One scientist cannot create a theory on his or her own.
A hypothesis is an educated guess based upon observation. It is an explanation of a single event based upon what is observed. A hypothesis has not been proved but can be supported by experimentation.
Answers
its for the first onehypothesis
h
Concept of evolution is a theory.
It is a scientifically accepted explanation of the facts that life and many forms has changed over year.What is evolution?Evolution is a the change in the characteristics of a species over several generation and relies on the process of natural selection.
What is natural selection?
It is the process through which a population of a organism adapt to changing environment and pass its gene to the next generation.
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Using an example, differentiate between energy efficiency and
conservation
Answers
The example of residential electricity usage to differentiate between energy efficiency and energy conservation:
Energy Efficiency: Energy efficiency refers to using energy more efficiently, achieving the same level of output or service while minimizing energy waste. These appliances are designed to consume less energy while providing the same functionality. By adopting energy-efficient technologies and practices, households can reduce their overall electricity consumption without sacrificing the level of comfort or convenience.Energy Conservation: Energy conservation involves reducing energy consumption by changing behavior or adopting practices that aim to minimize energy usage.
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when nondisjunction happens in Anaphase 1...
A. homologs do not separate
B. sister chromatids do not separate
C. homologs end up in the same daughter cell after meiosis 2
D. sister chromatids end up in the same daughter cell after meiosis 1
E. A and C
F. B and D
G. A and B
Answers
When nondisjunction occurs in Anaphase I of meiosis, it means that homologous chromosomes do not separate properly. This leads to an incorrect distribution of chromosomes in the resulting daughter cells. The correct answer in this case would be E, A and C.
In normal meiosis, homologous chromosomes separate during Anaphase I, ensuring each daughter cell receives the correct number of chromosomes. However, when nondisjunction happens, one or more homologous pairs fail to separate, causing some daughter cells to have an extra chromosome and others to lack one. This results in aneuploidy, a condition where cells have an abnormal number of chromosomes.
During Meiosis II, sister chromatids are supposed to separate, and this process is usually unaffected by the nondisjunction that occurs in Anaphase I. Therefore, options B and D are not applicable in this scenario.
In summary, nondisjunction in Anaphase I of meiosis leads to homologs not separating (A) and homologs ending up in the same daughter cell after Meiosis II (C), making answer E the correct choice.
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Which of the following statements is true regarding a recessive trait that is carried on the X chromosome
Answers
Answer:
please present the options given so we can better be of assistance
Explanation:
please give the options so we can better be of assistance.
What is a characteristic of "bad" science?
O Experiments with controlled variables
O Studies with unbiased results and analysis
O Replicable experiments for all scientists
O Studies with results that cannot be repeated
Answers
Answer:
Explanation:
A B and C are all OK. They are the mark of good science. The one that is not is D.
No replication, no credit for work.
the observable outward manifestation of the genes of an individual is referred to as it'srecessivegenotypephenotype
Answers
The correct term for the observable outward manifestation of the genes of an individual is its phenotype.
Phenotype refers to the physical characteristics, traits, and behaviors exhibited by an organism as a result of its genetic makeup and the interaction with the environment. It includes both visible traits, such as hair color, eye color, and height, as well as non-visible traits, such as blood type or susceptibility to certain diseases.
Genotype, on the other hand, refers to the genetic composition of an individual, specifically the combination of alleles (variants of genes) that an individual possesses. It can include both dominant and recessive alleles.
The recessive genotype refers to the specific combination of recessive alleles that an individual carries for a particular trait. It is the genetic information that determines the recessive trait, but the recessive phenotype may not always be visible in the presence of a dominant allele.
In summary, phenotype refers to the observable characteristics of an individual, while genotype refers to the genetic makeup. The recessive genotype determines the recessive trait, but the visible manifestation of that trait is referred to as the phenotype.
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under what circumatnaces would be advangeous to a species to have new combinations of genetic traits? explain
Answers
There are several circumstances in which it would be advantageous for a species to have new combinations of genetic traits. One such circumstance is when the environment changes, and the existing traits are no longer suitable for survival.
For example, if a species lives in a cold climate, and the climate becomes warmer, it may need new genetic traits to adapt to the new environment. Another circumstance is when the species faces competition from other species. New genetic traits may provide an advantage in competition for resources such as food or mates. This can increase the species' chances of survival and reproduction.
Finally, genetic diversity can increase the overall health and resilience of a population. When a species has more genetic diversity, it is less likely to be wiped out by disease or other environmental factors that might affect a population with less diversity. Overall, new combinations of genetic traits can be advantageous for a species in a variety of circumstances, from adapting to changing environments to competing with other species and increasing overall population health.
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A student conducts an experiment to determine how the amount of water given to a plant affects its growth
a
What is the dependent variable for this experiment?
the amount of water
b the height of the plant
c. the amount of sunlight
d the amount of soil
Please select the best answer from the choices provided
Mark this and retum
Save and Exit
Next
FI
C
Answers
Answer:
The height of the plant
Explanation:
The height of the plant (dependent variable) depends on the amount of water given (independent variable).
Which term names the total collection of dna in an organism?.
Answers
The term that names the total collection of DNA in an organism is the genome.
The genome is an organism's complete set of genetic information. It is made up of DNA, which includes both genes and non-coding DNA sequences.
Genome, the entire hereditary material of an organism, is the term that refers to the total collection of DNA in an organism.
It contains all of the necessary information to create and maintain an organism.
It includes all the hereditary material that is passed down from one generation to the next.
The genome is a single, long DNA molecule that contains the organism's entire genetic information.
It includes both the coding and non-coding regions of DNA, as well as any regulatory sequences that control the expression of genes.
Every living organism has a unique genome that reflects its evolutionary history and environmental adaptation.
It is an essential tool for studying biology, genetics, and evolution.
In conclusion, the genome is the name given to the total collection of DNA in an organism, which contains all of the genetic information necessary to create and maintain an organism.
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.
what term describes bleeding in the anterior chamber of the eye?
Answers
The term that describes bleeding in the anterior chamber of the eye is Hyphemia bed rest , eye drops, and in some cases, surgery.
Hyphemia refers to the presence of blood in the anterior chamber of the eye. Hyphemia is usually caused by trauma to the eye and is classified as micro hyphemia, where the bleeding is confined to the anterior chamber of the eye, or macro hyphemia, where the blood occupies more than half of the anterior chamber of the eye.
Other symptoms that can accompany hyphemia include pain, decreased vision, redness, and light sensitivity. Treatment for hyphemia depends on the severity of the condition and can include bed rest, eye drops, and in some cases, surgery.
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HELP ASAP
This provides...…... evidence of a common ancestor among all vertebrate species.
a) developmental
b) molecular
c) vestigial
Answers
Answer:
b
Explanation:
When did Isaac Newton start learning facts about Force and Motion?
Answers
Answer:
He developed the theories of gravitation in 1666, when he was only 23 years old. Some twenty years later, in 1686, he presented his three laws of motion in the "Principia Mathematica Philosophiae Naturalis." The laws are shown above, and the application of these laws to aerodynamics are given on separate slides.
Explanation:
Scientists can bioengineer skin in a laboratory to treat severe burns and other types of skin injuries. This bioengineered tissue is grown from living cells. The cellular process that enables the cells to grow and develop into tissue is —
Answers
The process of mitosis generates new cells that are genetically identical to each other. Mitosis helps organisms grow in size and repair damaged tissue.
To keep it simple the answer is Mitosis.
The process of mitosis generates new cells that are genetically identical to each other. Mitosis helps organisms grow in size and repair damaged tissue. The process is Mitosis.
What is Mitosis?A cell prepares for cell division by replicating its chromosomes, segregating them, and creating two identical nuclei during the mitotic phase. The cell's contents are often evenly divided into two daughter cells with identical genomes after mitosis.
Mitosis can be compared to copying an instruction manual. Give two copies of each page, one to each of the two recipients.
A cell copies each chromosome during mitosis and distributes one copy to each of its two daughter cells.
Therefore, The process of mitosis generates new cells that are genetically identical to each other. Mitosis helps organisms grow in size and repair damaged tissue. The process is Mitosis.
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When microscopes were first used hundreds of years ago, scientists discovered that a single drop of water contains many particles that the human eye is unable to detect on its own. The microscopes used today are much more powerful and have allowed scientists to make discoveries about smaller living things, such as how germs can make people sick. Which statement best describes the use of microscopes over the last several hundred years?
Answers
Answer:
a
Explanation:
edge
When microscopes were first used hundreds of years ago, scientists discovered that a single drop of water contains many particles that the human eye is unable to detect on its own. This statement best describes the use of microscopes over the last several hundred years. Thus, option A is correct.
What are the theories related to microphones?
The statement that best describes the development of the theories that has been connected microscopic as well as macroscopic phenomena has took several hundred years for the scientists just to develop current theories, as well as they are still being revised to this same process.
Most of the scientific theories has been involving the microscopic and the macroscopic phenomenon which have been taken several years to be developed atlast however, this theories are still under revision till date. The microscopes used today are much more powerful and have allowed scientists to make discoveries about smaller living things.
Therefore, This statement best describes the use of microscopes over the last several hundred years. Thus, option A is correct.
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Which of the following statements correctly identifies a keydifference between mitosis and meiosis?(A) In metaphase of mitosis, replicated chromosomes line upin single file; in metaphase II of meiosis, replicated chromosomes line up on opposite sides of the metaphaseplate.(B) During anaphase of mitosis, homologous chromosomes separate; during anaphase of meiosis I, sister chromatidsseparate.(C) At the end of telophase of mitosis, the daughter cells areidentical to each other; at the end of meiosis I, the daughtercells are identical to the parent cell.(D) During metaphase of mitosis, centromeres are presentdirectly on the metaphase plate; during metaphase of meiosisI, there are no centromeres on the metaphase plate.
Answers
The statements that correctly identifies a key difference between mitosis and meiosis is option D: During metaphase of mitosis, centromeres are present directly on the metaphase plate; during metaphase of meiosis I, there are no centromeres on the metaphase plate.
In mitosis, during metaphase the replicated chromosomes align along the metaphase plate with their centromeres at the center. In meiosis I, the replicated chromosomes align along the metaphase plate without the centromeres present.
Mitosis is referred as the process by which a cell replicates its chromosomes and then segregates them apart, producing two identical nuclei in preparation for cell division. It is an established fact that mitosis is generally followed by equal division of the cell's content into two daughter cells that have identical genomes.
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3a. Explain why cellular respiration is essential for living organisms.
Answers
Which situation is MOST likely to cause sympatric speciation?
A
Galapagos tortoises developing differently on two different islands
B
changes in two deer populations after an earthquake separates them
C
a forest bird population dividing into two as they eat different seeds
D
Oceania splitting up to separate koalas and Tasmanian tigers
Answers
The archaebacteria kingdom has been on earth for at least ________ years.
Answers
Answer:
Archaea are found in the harshest environments on Earth, and are the oldest known organisms on Earth, appearing in the fossil record over 3.6 BILLION years ago
Explanation:
Hope this helps!
The archaebacteria kingdom has been on earth for at least 3.5 billion years.
What are Archaebacteria?Archaebacteria may be defined as a group of microorganisms that should be considered to be an ancient form of life that significantly evolved separately from the bacteria and blue-green algae (cyanobacteria).
Such types of microorganisms live in extremely harsh conditions where there is no sufficient availability of oxygen as well as other required resources.
This type of microorganism evolves more as compared to the other. They are found to be the linkage between prokaryotes and eukaryotes.
During the evolution of archaebacteria, the environmental condition was reduced, anaerobic, and the mode of nutrition was definitely heterochemotrophic.
According to the Zoological time scale, the archaebacteria kingdom has been on earth for at least 3.5 billion years.
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A functional or physiological adaptation:
A. Is a physical feature of an organism that helps it survive
B. Allows an organism to perform special functions within the body
C. Is a behavior that is taught after birth
Answers
Answer:
A trust me.
Explanation:
are you functional adaption is an adaption that helps an organism survive in a certain environment, typically altered by a physical stimuli, dietary changes, or injury.
Answer:
yes behavior is taught after birth
Which of these techniques has detected the larger number of normal microbiota on skin surfaces?a. culturingb. 16s rRNA sequencingc. antibody probingd. gel electrophoresis
Answers
The technique that has detected the larger number of normal microbiota on skin surfaces is: a. culturing.
Culturing involves the growth of microorganisms on culture media under controlled laboratory conditions.
This technique allows for the isolation and identification of viable microorganisms present in a sample.
In the case of studying normal microbiota on skin surfaces, culturing involves swabbing or sampling the skin, transferring the collected sample onto specific culture media, and incubating it to promote the growth of microorganisms.
After incubation, visible colonies of microorganisms can be observed and further characterized.
While other techniques like 16s rRNA sequencing, antibody probing, and gel electrophoresis have their own advantages and applications, culturing has traditionally been the primary method for detecting and quantifying microorganisms on skin surfaces.
It allows for the assessment of viable organisms that can be grown under specific conditions, providing valuable information about the composition and diversity of the microbiota present on the skin.
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Intramolecular forces vs intermolecular forces examples.
Answers
Answer: Intramolecular forces are forces that occur within a molecule, while intermolecular forces are forces that occur between molecules.
Let's say, for example, you have a glass of water or
H2O. To examine the intramolecular forces, you would examine one molecule of water (pictured below). In this molecule, the oxygen atom is covalently bound to two hydrogen atoms. The covalent bond is the intramolecular force that holds together the molecule.
The intermolecular forces are the forces that occur between various water molecules. In the glass of water pictured below, as water is flowing into the glass, the water stays together as a whole. Each water molecule is bound to the ones around it by the intermolecular forces. Intermolecular forces prevent each individual molecule from leaving the other molecules. In water, the intermolecular force of attraction is due to: hydrogen bonding.
There are three main types of intermolecular forces: hydrogen bonding, dipole dipole interactions , and London dispersion forces (previously known as Van der Waals forces).
During mrna transcription, a dna strand has the bases ctaggt. What is the complementary strand of mrna?.
Answers
GAUCAA is the complementary strand of mRNA during mRNA transcription
The DNA serves as a template for the production of mRNA. Adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G), in a process known as complementary base pairing (G). Consequently, CTAGGT's complementary sequence is GATCCA.
For DNA, this would be true. But uracil replaces the thymines in the sequence of RNA, which uses thymine instead (U). The mRNA's complementary strand is therefore GAUCCA.
Gene expression begins with transcription.
To create an RNA molecule, the DNA sequence of a gene must be copied.
RNA polymerases, which join nucleotides to create an RNA strand, carry out transcription (using a DNA strand as a template).
Initiation, elongation, and termination are the three phases of transcription.
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Which environment will most likely result in the formation of marble?
O a bog in which dead plants and animals have collected over a very long period of time
O a shallow cavity formed by the evaporation of a lake leaving behind multicolored deposits
O a valley carved by a glacier which left behind rock fragments of various sizes and types
O an area deep underground where limestone has been exposed to intense pressure
Answers
Marble can be found from one side of the planet to the other, however, the four nations where it is most chiefs are Italy, Spain, India, and China.
The answer is an option(A)-O a bog in which dead plants and animals have collected over a very long period of time
Marbles frequently happen interbedded with such transformative rocks as mica schists, phyllites, gneisses, and granulites and are most normal in the more established layers of Earth's covering that have been profoundly covered in districts of outrageous collapsing and volcanic interruption.
Marble is a stone coming about because of the transformation of sedimentary carbonate rocks, most regularly limestone or dolomite (rock). The transformation causes variable recrystallization of the first carbonate mineral grains. The subsequent marble rock is ordinarily made out of an interlocking mosaic of carbonate precious stones.
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What's the meaning of fiber ?
Answers
Fiber, also known as dietary fiber, refers to a type of carbohydrate that is found in plant-based foods such as fruits, vegetables, whole grains, and legumes.
Unlike other types of carbohydrates, such as sugars and starches, fiber is not broken down or absorbed by the body. Instead, it passes through the digestive system largely intact.
There are two main types of fiber: soluble fiber and insoluble fiber. Soluble fiber dissolves in water and forms a gel-like substance in the digestive tract, which can help to slow digestion and regulate blood sugar and cholesterol levels. Insoluble fiber, on the other hand, does not dissolve in water and adds bulk to stool, which can help to prevent constipation and promote regularity.
Fiber is an important component of a healthy diet, and has been linked to a variety of health benefits such as lower risk of heart disease, diabetes, and certain types of cancer.
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How is DNA created?(short answer)
Answers
Explanation:
For a strand of DNA to form, nucleotides must be linked into chains, with the sugar phosphate groups alternating. DNA is made of the building block chemical called nucleotides. Nucleotides are made up of three main parts, a sugar group, a phosphate group, and some type of nitrogen base. Hope this answers, and is helpful! Have a great day! :))
An animal welfare group is curious if the effects of selectively breeding goats to produce more milk is bad for the goats. What would be the BEST question that the welfare group could ask to determine the effects of selectively breeding the goats?
A.
What does the milk of the selectively bred goats taste like?
B.
Are there negative traits in the selected traits on the goat population?
C.
Can you make more money by producing the goats with the desired traits?
D.
What is the diet the goats are fed in order to produce milk?
Answers
Answer:
B
Explanation: other answers don’t make sense.
Since 8-10% of the DNA in human cells consists of sequences from endogenous retroviruses, this demonstrates that viruses ______.
Answers
Viruses have played a significant role in shaping human evolution and genome diversity.
Since 8-10% of the DNA in human cells consists of sequences from endogenous retroviruses, this demonstrates that viruses have contributed to our genetic makeup by integrating their genetic material into our ancestral DNA. Over time, these sequences have been passed down through generations and now serve as a record of ancient viral infections that our ancestors experienced. These endogenous retroviruses can impact gene expression and, in some cases, provide beneficial functions to the host organism, highlighting the complex relationship between viruses and their hosts.
A small amount of DNA can also be found in the mitochondria, where it is referred to as mitochondrial DNA or mtDNA. The majority of DNA is found in the cell nucleus, where it is referred to as nuclear DNA.
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