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enot [183]
3 years ago
6

Who proposed that the structure of DNA is a double helix

Biology
2 answers:
artcher [175]3 years ago
6 0
James D Watson and Francis Crick
Oduvanchick [21]3 years ago
4 0
James D Watson and Francis Crick
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While walking to the kitchen in the middle of the night, jamal tripped over an object that he could not see in the dark. which p
lukranit [14]

The part of the cns sent a signal to help prevent Jamal's fall was the cerebellum

<h3>How does the cerebellum act in balance?</h3>

Balance and posture are the responsibility of the cerebellum, which coordinates body movements, uniting and articulating muscle movements so that they keep the body balanced and maintain its posture.

With this information, we can conclude that the part of the cns sent a signal to help prevent Jamal's fall was the cerebellum

Learn more about  cerebellum in brainly.com/question/13504830

#SPJ4

7 0
2 years ago
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once a consumer gains nitrogen nutrients from animals or plants it recycles these nutrients back to each by
SSSSS [86.1K]

Answer:

Decomposers get nutrients and energy by breaking down dead organisms and animal wastes. Through this process, decomposers release nutrients, such as carbon and nitrogen, back into the environment. These nutrients are recycled back into the ecosystem so that the producers can use them

Explanation:

8 0
3 years ago
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In order to carry out the testcross, you should cross your original pea plant with another pea plant whose phenotype is ________
Makovka662 [10]
<span>My pea plant has an unknown genotype for flowers, whether it has two dominant traits for white flowers (WW) or one dominant and one recessive (Ww) leading to white flowers; therefore I am doing a testcross in order to determine the genotype of my pea plant. The best plant to do this with is one that has a phenotype of purple flowers (ww) - that is, it is homozygous for the recessive trait. If I use a homozygous recessive plant, I know exactly what its genotype is. I don't have to worry about whether it's got one or two dominant alleles; I know that at least half of my alleles are going to be the recessive w. This makes identifying the offspring's genotype very simple. If I find that the offspring have at least some purple flowers among them, I know that my original plant had to be Ww; that is it had to have one dominant and one recessive allele for the flower color gene. If, however, all of the offspring are white flowers, I know that my original pea plant had both dominant alleles (WW).</span>
8 0
3 years ago
What are the four steps that occur during m phase
MA_775_DIABLO [31]

Answer:

prophase, metaphase, anaphase, and telophase

Explanation:

6 0
3 years ago
Use this information to answer questions 6 - 11. Your original population of
grigory [225]

Answer:

1. How did the tidal wave  affect the predicted frequencies of the alleles in the population?

No changes

2. What is the frequency of the recessive allele?

q= 0.6

Explanation:

If we assume that all individuals were equally likely to be wiped out, that means the frequency/ratio of the gene and genotype of the population will not change. The tidal wave killing 100 out of 200, so it simply makes the population become half of it used to be.  

If the population at equilibrium, we can use the Hardy-Weinberg formula to find out the expected frequency of the dominant and recessive alleles. There are 36 homozygous recessives out of 100, so the frequency of the recessive allele will be:

q^2 = 36/100

q= √36/100= 6/10= 0.6

8 0
3 years ago
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