Question

Which is an essential amino acid?
(a) Serine (b) Aspartic acid
(c) Glycine (d ) Phenylalanine

Answer 1

An essential amino acid is Phenylalanine

• Option (d) is correct.
• Amino acids are organic compounds that combine to form proteins.
• Amino acids can also be used as a source of energy by the body.
• Amino acids and proteins are the building blocks of life.
• There are 9 essential amino acids.
• They are:  

• methionine  
• histidine

• isoleucine
• leucine
• lysine
• phenylalanine  
• threonine
• tryptophan
• valine

Answer 2

Phenylanlanine is an essential acid.

Option (D) is correct.

Explanation:

Phenylanlanine is an essential acid.

Essential amino acids are those amino acids which can not be made by the body.

Therefore these amino acids are obtained from food and pulses.

The 9 essential amino acids are:

• Histidine, Isoleucine
• Leucine, Lysine
• Methionine, Phenylalanine
• Threonine, Tryptophan, and Valine.

Also learn more

What are amino acids?

https://brainly.in/question/6598