ATOM : - An atom is the basic building block of chemistry.
MASS : - a large body of matter with no definite shape.
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Approximately 5% of the cytosine residues are methylated in the genome of any given eukaryote. In what way is dna methylation related to genetic regulation?.
DNA methylation is related to genetic regulation because this epigenetic mark can turn on/off certain genes.
What is epigenetics?Epigenetics can be defined as any heritable pattern in gene expression that does not involve different nucleotide sequences.
Epigenetic modifications include DNA methylation and histone modifications (e.g., histone acetylation).
These epigenetic marks are able to turn on or turn off specific genes during differential gene expression.
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Progressive muscle relaxation involves deliberate and continuous relaxing of various muscle groups in the body.
a. True
b. False
Progressive muscle relaxation involves the deliberate and continuous relaxing of various muscle groups in the body.
Why is this statement true?This statement is true because it accurately describes the technique of progressive muscle relaxation. This is a method for reducing stress in which the individual actively relaxes muscle groups one by one.
Therefore, we can confirm that this statement to in fact be true in that Progressive muscle relaxation involves deliberate and continuous relaxing of various muscle groups in the body.
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Glucose is generally used in cells as a source of
a quick energy
b. material for growth
C. material for repair
d. answer not given
Answer:
A quick energy
Explanation:
Most of the cells in your body use glucose along with amino acids (the building blocks of protein) and fats for energy. But it's the main source of fuel for your brain.
Match the scenario with the type of teaching/learning technique it distinguishes.
1. Cindy uses a treat to get her dog Ruby to sit
2. Buddy the dog hears a bell before getting his food
3. Java the dog is learning to jump on a stool to steal human food
a. Operant Conditioning
b. Insight Learning
c. Classical Conditioning
The matching of the scenario with the type of teaching/learning technique it distinguishes are given below:
Cindy uses a treat to get her dog Ruby to sit ----- Operant conditioning. Buddy, the dog hears a bell before getting his food ----- Insight learning. Java the dog is learning to jump on a stool to steal human food ---- Classical conditioning. What do you mean by Learning techniques?Learning techniques may be defined as a persistent change in the behavior that develops through experience. It can be modified by changing its surroundings.
Some of the behaviors are heritable to the offspring from their parents, while some of them are learned as per the demand of the environment.
Therefore, all the scenarios with the type of teaching/learning technique it distinguishes are matched above.
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Use the drop-down menus to correctly order the steps for setting up a microscope.
Switch to the highest-power objective.
Rotate the lowest-power objective into place.
Use the fine focus knob to sharpen the image.
Be sure the stage is at the lowest setting.
Place the slide on the stage and secure it in place
Answer:
4
2
5
1
3
Explanation: I just did this right now
Explanation:
there are the answer all the answer are good
In situ hybridization can be used to localize a gene of interest due to the ability of a cloned DNA sequence to hybridize to a chromosome through_______.
Answer: In situ hybridization is a technique that is used for localization and detection of specific DNA and RNA sequences in cells, preserved tissue sections, or entire tissue.
the cell cycle is a repeating sequence of cellular growth and division during the life of
Answer:
The cell cycle is a repeating sequence of cellular growth and division during the life of an organism.
Explanation:
A cell spends most of its time during the first three phases of the cycle. This is called interphase. A cell will ONLY enter the last two phases when it is about to divide. Once again, the cell cycle is a repeating sequence of cellular growth and division during the life of an organism.
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At a crime scene you find a piece of glass with a red, dried liquid, and a yellow fiber on the edge lying on the ground. Upon closer inspection, you notice
that there is also a smudged fingerprint crossing the center of the glass. Your job is to plan and carry out an investigation to analyze this evidence. Explain
how you would collect,
preserve and analyze this evidence. What would you hope to find out from this piece of evidence? Indicate whether the glass, red liquid, fingerprint and yellow fiber are each individual or class evidence. Why?
Answer:
For smaller glass fragments should be placed in a paper packet and then in an envelope. Larger pieces should be wrapped securely in paper or cardboard and then placed in a padded cardboard box to prevent further breakage. For analyzing the glass I would start by comparing the refractive index of the sample to that of the possible source. Examination of samples under a regular microscope or a scanning electron microscope can give detailed information about the sample's physical and chemical characteristics. Since the liquid is already dried all you'd have to do is make sure to package it in paper which works since the glass can go in that. For the fiber I would remove it from the glass and collect it with some trace tape. Then the easiest method to get the fingerprint is called dusting, in which I would use a very fine powder that can stick to the oil in the fingerprint. Once the fingerprint becomes visible, lift it from the surface with clear tape and transfer it to another surface to then take into the laboratory to analyze further.
Glass, the liquid and the fiber would be class evidence while the fingerprint is individual.
Explanation:
write 2 sentences about the Immune System
In carpal tunnel syndrome, the __________ is compressed.
Answer:
Median Nerve
Explanation:
In Carpal Tunnel Syndrome the Median Nerve is compressed. This can cause tingling sensations in the fingers. This is caused by pressure on the nerve.
Examine the process shown above occurring in a DNA molecule. Which statements support the outcome of this process? Select
ALL that apply.
A)
This process is linked to certain cancer types.
B)
This process can have detrimental results to the organism.
This can create a change to the genome, which produces a new phenotype. Eliminate
D)
This process can be repaired by the DNA and not be a permanent change
to the genome.
E)
This process affects only the offspring of the organism, but not the
organism itself.
A DNA molecule is the molecule which carries genetic information for the development of an organism.
What is DNA?Your information is incomplete. Therefore, an overview of DNA will be given. DNA simply means an organic material that contains genetic information.
DNA is found in the cells of every organism and is a key part of reproduction where genetic heredity occurs.
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Answer:
A, B,C,D
Explanation:
i just did it on usatestprep
How does a successful immigration rate impact the biodiversity of an island?
Answer:
as the number of species present increases, the immigration rate decreases
Explanation:
According to ETIB, the number of species present on an island is determined by a balance between immigration and extinction. Generally, as the number of species present increases, the immigration rate decreases and the extinction rate increases.
A successful immigration rate impact the biodiversity of an island in several ways.
How does a successful immigration rate impact the biodiversity of an island ?By the studies of several scientists, the number of species present on an island is determined by a balance between immigration rate and extinction rate. Generally, as the number of species present increases, the immigration rate increases and the extinction rate decreases. Therefore a successful immigration rate provides the animals and birds to migrate from different parts of the world and settle down in a particular island. Therefore for a greater amount of immigration rate, the biodiversity of the island is maintained in a good order. Therefore for a good immigration rate, the biodiversity of a land is largely increased.
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Which scientist formulated the theory of evolution.
Answer:
Charles Darwin
Explanation:
The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the nineteenth century.
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which climate zone has hot summer, cold winter, and average amounts of precipitation throughout the year
Explain the role of rna polymerase during transcription.
Answer:
Responsible for copying a DNA sequence into an RNA sequence, during the process of transcription.
The data shows the changes in temperature and the concentration of carbon dioxide (CO2) in Earth’s atmosphere during the past eight hundred thousand years.
Which statement describes the overall relationship between the concentration of carbon dioxide and atmospheric temperature?
A The temperature of Earth increases with a decrease in atmospheric carbon dioxide.
B The temperature of Earth increases with an increase in atmospheric carbon dioxide.
C The temperature of Earth remains unchanged with an increase in atmospheric carbon dioxide.
D The temperature of Earth remains unchanged with a decrease in atmospheric carbon dioxide.
You discover a mutation in the protein-coding sequence of a gene that does not change the amino acid sequence. This makes sense because __________.
there is a redundancy in the genetic code / a silent mutation has occured
What is the measurement of gravity
Answer:
Gravity is measured by the acceleration that it gives to freely falling objects. At Earth's surface the acceleration of gravity is about 9.8 metres (32 feet) per second per second. Thus, for every second an object is in free fall, its speed increases by about 9.8 metres per second.
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What relationship is it when one population captures and feeds upon another population?
Answer:
Predation.
Explanation:
This relationship is called predation. (Predation means the preying of one animal on another)
What is the difference between freshwater standing-water habitats and running-water habitats?.
Dorsal roots contain axons that bring ______ information to the spinal cord and ventral roots contain axons that bring _______ commands away from the spinal cord.
Answer:
sensory/motor
Explanation:
Dorsal roots contain axons that bring sensory information to the spinal cord and ventral roots contain axons that bring motor commands away from the spinal cord.
Which of the following is true about adaptation?
1. It is random
II. It results from genetic mutations.
III. It creates new types of species.
O I, II and III
O I and II
O ll and III
Ol only
The following which is true about adaptation include the following:
It is random.It results from genetic mutations.It creates new types of species.What is Adaptation?This is the process in which an organism become more suited to its environment as a result of genetic mutations.
This creates new types of species over a period of time and is a random process which is why option A was chosen.
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The bulging deposit that forms around the area of the break during the healing of a fractured bone is a.
First photo of dna which helped scientists understand its structure.
Answer:
Franklin´s Photo 51 helped scientists learn more about the three-dimensional structure of DNA and enabled scientists to understand DNA´s role in heredity. X-ray crystallography, the technique Franklin used to produce Photo 51 of DNA, is a method scientists use to determine the three-dimensional structure of a crystal
Explanation:
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How were clones created prior to the creation of Dolly?
State and describe two points of evidence that support the theory of evolution
Answer:
DNA and the genetic code reflect the shared ancestry of life. DNA comparisons can show how related species are. Biogeography. The global distribution of organisms and the unique features of island species reflect evolution and geological change.
Explanation:
the abilty to rapidly and accurately change the direction of movement of the entire body in space is called
Answer:
agility
Explanation:
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When comparing protein-coding DNA sequences of similar genes in related species, you find that some of the sequences are longer in one species compared to the other. Which answer option is the most likely number of extra bases that you would find
The most likely number of extra bases that you would find during changes in protein-coding DNA sequences is one.
What is a Codon?This is defined as a sequence of three nucleotides which form a unit of genetic code in a DNA or RNA.
Since codons have 3 nucleotides then the most likely number of extra bases could be one which will code for a different protein.
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The portion of the circulatory system governed by the right side of the heart is __________ circulation.
The portion of the circulatory system governed by the right side of the heart is _pulmonary_ circulation.
There are two types of circulation,
systemic circulationpulmonary circulationWhat is pulmonary circulation?Pulmonary circulation is developes between the heart and the lungs.
The pulmonary arthery leaves the heart from the right ventricle, divides into two ramifications, and carries deoxygenated blood from the heart to the lungs.
Once in the lungs, the blood release carbon dioxide and takes oxygen.
Carbon dioxide is released from the body by exhalation. Blood takes oxygen from small air sacs named alveoli.Finally, oxigenated blood returns to the heart through pulmonary veins.
The portion of the circulatory system governed by the right side of the heart is _pulmonary_ circulation.
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Understanding the Immune System
A _____ is an agent that can cause infections and diseases