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Fittoniya [83]
2 years ago
12

Which of the following is a pyrimidine base in DNA?

Biology
1 answer:
Andre45 [30]2 years ago
3 0

Answer:

Cytosine

Explanation:

Purine, Adenine, and Guanine are all purines

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What role does cellular respiration play in the water cycle
olga55 [171]

The correct answer is:

It releases H2O to the atmosphere during electron transport.

Explanation:

Cellular Respiration is the process that occurs in the living cells where sugar or glucose is oxidized in carbon dioxide and water ending in the release of energy in the formation of adenosine triphosphate (ATP).This is the method by which the chemical energy stored in the biomolecules is transformed into energy which can be utilized by the cells for processes like transportation of molecules, movement, and biosynthesis.


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3 years ago
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What would a fuel cell vehicle use for fuel? What is the primary waste product?
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Explanation:


Answer: B. I got it right on my test :)
5 0
2 years ago
Please help me thank you
trapecia [35]

Answer:

The punnet square would look like this.

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R RR RR

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6 0
3 years ago
A woman who is a carrier for colour blindness (X-linked recessive) has children with a man who has normal colour vision. A. What
viva [34]

Answer:

Explanation:

The Genotype of the  woman is XCbXN

The man XNY

Since the allele for the color blindness is carried on one of the X -chromosomes of the  carrier mother, then  the male children will be color blind or carrier deopending on the defective gene they inherited. Since they will receive the defective or normal  allele from the  mothers,but the female will carriers or normal because they will inherit either defective allele or normal allele from the mother,but normal  X allele from the father.

Assuming the colorbind gene was inherited by One of the boys, and the girls take the defective genes

1. XNY vs XCbXN.Then the one of the  boys will be colorblind  and the one of  girls will be carriers. XNXCb, XNXN, XCbY,XNY  50 %

2.If the two boys take the effective genes from the mothers. and none of the girls take the defective alelle

Then the two boys will be colorblind and the girls will be carrries XcbY,XcbY and XNXN XNXN.(normal girls).

The proportions that will be  the females  since the girls can only take the defective allele from one of the normal and defective allele from the mother. Assuming the girls  take the defective allele from the mothers and take normal from the father,they will all  be carriers,since the X of the father is normal.

They can not have a color blind girl.Since the father is normal It takes two colorblind X-chromosome to give a girl.

5 0
3 years ago
Explain the difference between afferent and efferent neurons.
natka813 [3]

Answer:

<h3>The Difference between Afferent and Efferent Neurons :- </h3>

  • Neurons that receive information from our sensory organs (e.g. eye, skin) and transmit this input to the central nervous system are called afferent neurons.

  • Neurons that send impulses from the central nervous system to your limbs and organs are called efferent neurons.

<h2>Hope this helps you XD !!!</h2>
4 0
2 years ago
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