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larisa [96]
3 years ago
12

It is the difference in the r group that makes each amino acid chemically unique. it is the difference in the r group that makes

each amino acid chemically unique.
a. True
b. False
Chemistry
2 answers:
babymother [125]3 years ago
4 0
True.brain is lots of chemical reaction
adoni [48]3 years ago
4 0

Answer: True

Explanation:

The amino acids can be defined as organic compounds that is composed of oxygen, nitrogen, carbon and hydrogen.

The body has 20 different types of amino acids in the body of the organism. The amino acids are characterized based on the difference in their alkyl groups that is found in it.

The amino acids consists of a carboxyl group, amino, hydrogen and alkyl group. Rest of the structures remains same but the change in the alkyl group makes one amino acid different from other.

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astraxan [27]
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Is the reaction between methane and oxygen endothermic or exothermic? Explain why we burn fossil fuels, such as natural gas.
vladimir1956 [14]
The thing that governs whether a reaction is exothermic is the energy given out / used up to break / form the bonds in the reaction. 

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Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the for
Alexus [3.1K]

Answer:

See explanation below

Explanation:

In this case, let's see both molecules per separate:

In the case of SeO₂ the central atom would be the Se. The Se has oxidation states of 2+, and 4+. In this molecule it's working with the 4+, while oxygen is working with the 2- state. Now, how do we know that Se is working with that state?, simply, let's do an equation for it. We know that this molecule has a formal charge of 0, so:

Se = x

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x + (-2)*2 = 0

x - 4 = 0

x = +4.

Therefore, Selenium is working with +4 state, the only way to bond this molecule is with a covalent bond, and in the case of the oxygen will be with double bond. See picture below.

In the case of CO₂ happens something similar. Carbon is working with +4 state, so in order to stabilize the charges, it has to be bonded with double bonds with both oxygens. The picture below shows.

5 0
3 years ago
______ break down sugars to produce energy.
Mariana [72]

Answer:

mitochondria

Explanation:

I took the test

8 0
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