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Cloud [144]
4 years ago
12

Valine is an essential amino acid, which means that it cannot be manufactured in the body and must be obtained through dietary s

ources. It is a branched-chain amino acid that works with the other two BCAAs (isoleucine & leucine) to promote normal growth, repair tissues, regulate blood sugar, and provide the body with energy.
Chemistry
1 answer:
artcher [175]4 years ago
7 0

Answer:

As for what is written, I think that your wording is incomplete, since valine (abbreviated Val or V) is one of the twenty amino acids encoded by DNA on Earth, whose chemical formula is HO2CCH (NH2) CH (CH3) 2. In messenger RNA, it is encoded by GUA, GUG, GUU or GUC. Nutritionally, in humans, it is one of the essential amino acids.

Explanation:

Being an essential amino acid, it speaks of the fact that the organism does not synthesize it, therefore it must be ingested in the daily diet as well as in foods rich in proteins: red meat, chicken, fish, eggs, grains and nuts.

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What kind of weather does a cold front usually bring? A. Warm c. Sunny b. Stormy d. Windy Please select the best answer from the
xeze [42]

the answers is d because where i live when it is cold it is mostly windy  

4 0
3 years ago
The following are examples of a compound EXCEPT
pishuonlain [190]
Carbon dioxide I think sorry
3 0
3 years ago
Strontium (Sr) has the FCC crystal structure, an atomic radius of 0.215 nm, and an atomic weight of 87.62 g/mol. What is its the
Valentin [98]

Answer:Theoretical density =2.576g/cm³

Explanation:

Theoretical density p= (A×n)/Vc ×Av

A= molecular weight

n= effective number of atoms per unit cell

Vc=Volume of unit cell = a³

Av = Avogadro's constant = 6.02×10²³

Given that A= 87.2g/mol

n= 4 (For FCC crystal structure)

Vc= a³

Where a = 2R√2 and R is the atomic radius

R=0.215

a= 2 × 0.215×√2

a= 0.608nm = 0.608×10^-7 cm

Vc= (0.608×10^-7 cm)³

Vc=2.25×10^-22 cm³

P= (87.2 × 4)/

(2.25×10^-22) × (6.02×10²³)

P= 2.576g/cm³

Therefore the theoretical density of strontium is 2.576g/cm³

3 0
3 years ago
Explain how the models you developed show that when methane combines with oxygen to form carbon dioxide and water, no atoms are
Xelga [282]

Answer: the bonds in the methane and oxygen come apart, the atoms rearrange and then re-bond to form water and carbon dioxide

Explanation:^

3 0
3 years ago
A student wants to measure the entropy of ice. What should the student do?
Helen [10]

Answer: Option (c) is the correct answer.

Explanation:

Entropy is defined as the degree of randomness. This means that more is the number of collisions taking place between atoms of a substance more will be the randomness.

Therefore, more will be the entropy of substance. We cannot measure the entropy but we can measure the change in entropy of a substance.

A thermometer is a glass tube that contains a liquid column generally mercury, and it is usually used to measure the temperature of human body.

A calorimeter is a device or apparatus that is used in a chemical reaction to measure the amount of heat involved.

Therefore, we can conclude that the student can't measure entropy directly, only an entropy change.

 

6 0
3 years ago
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