Question

Which of the following statement is not correct?

• A. Only $\alpha -$amino acids are obtained on hydrolysis of proteins.
• B. The amino acids which are synthesized in the body are known as non-essential amino acids.
• C. There are 20 essential amino acid.
• D. L-amino acids are represented by writing the $- \mathrm { NH } _ { 2 }$ group on the left side.

Answer 1

Answer: (C)

There are 20 essential amino acid.

Answer 2

There are 10 essential and 10 non-essential amino acids.