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meriva
3 years ago
15

How do genes determine how we look and act?

Biology
1 answer:
sergeinik [125]3 years ago
3 0

Answer:

These pairs of genes then determine certain physical features or traits. The genes that you have in your body right now make up your genotype. This genotype then determines your physical appearance, which is called your phenotype. In this activity, you will be given two sets of chromosomes.

Explanation:

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The investigations conducted by Edwin Chargaff support the idea that DNA is the source of heritable information, and they also s
siniylev [52]

all the thymine pairs with adenine, therefore there is the same number of adenine and thymine bases and the same percentage

so we have 28%thymine and 28% adenine

100-28-28=44% left

this 44% is guanine and cytosine. All of the guanine pairs with cytosine and all of the cytosine pairs with guanine so we have 44/2=22% cytosine and guanine

composition:

28%adenine

28%thymine

22%guanine

22%cytosine

7 0
3 years ago
3.4 Highlight why it is important to evaluate impact assessment studies before any
Ivahew [28]

Answer:

EIA is a tool that ensures the protection and conservation of the environment and natural resources and ensures a sustainable economic development for any project under construction. ... EIA studies the effect of the surrounding environment on the project as well as the effect of the project on the surrounding environment.

hope it helps

7 0
3 years ago
If there are 20 different amino acids, how do they know how to line up? Which order should they be in? Which molecule helps them
kari74 [83]
A. Messenger RNA (mRNA) is the molecule that tells the amino acids which way they should be in. because they are the copy of the 'blueprints' in DNA
6 0
3 years ago
Read 2 more answers
Endorphins are a type of __________, short strings of amino acids that are narrowly targeted to perform a specific job. For inst
umka21 [38]

Endorphins are a type of neuropeptides short strings of amino acids that are narrowly targeted to perform a specific job. For instance, endorphins specialize in reducing pain.

<u>Explanation:</u>

Endorphins are opiod neuropeptides that are produced by the central nervous system. They are natural pain killers that are produced by our body to reduce pain.

They are of 3 types namely, alpha endorphins, beta endorphins and gamma endorphins. All of these specifically bind to the opioid receptors inhibiting the communication of pain signals.

4 0
3 years ago
An infant who has undergone surgery for hypertrophic pyloric stenosis (hps) is being bottle fed by the mother. what should the n
Virty [35]
<span>The nurse should explain to the mother the infant should not be bottle fed because its not good for its health and the infant also feels uncomfortable and hesitate to drink specially who has undergone a surgery.</span>
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3 years ago
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