The body normally makes tyrosine from the essential amino acid: ...

[RYAN BANYAN]

The body normally makes tyrosine from the essential amino acid:
 a. leucine.
 b. lysine.
 c. isoleucine.
 d. valine.
 e. phenylalanine.

Question 2

Which of the following accounts for the differences among the various amino acids?
 a. the presence or absence of nitrogen
  b. the amine group
 c. the side chain
 d. the type of bonds
 e. the acid group

[bimper21]

Answer to Question 1

e

Answer to Question 2

c

[RYAN BANYAN]

Gracias!

[upturnedfurball]

Thanks for the timely response, appreciate it