The _____ in an amino acid distinguishes each amino acid from the ...

[chandani]

The _____ in an amino acid distinguishes each amino acid from the others.
 A) weakly charged carboxylic acid group
  B) position of the carbon atom
  C) weakly charged amino group
  D) structure of the R-group

Question 2

According to the Recommended Dietary Allowances (RDAs) for protein, a typical college-age man needs _____ of protein.
 A) 42 g/day
  B) 46 g/day
  C) 56 g/day
  D) 64 g/day

[Ahnyah]

Answer to Question 1

D

Answer to Question 2

C

[chandani]

Thanks for the timely response, appreciate it

[parshano]

Gracias!