Author Question: For the isotope 71Ga, Z = and A = . A) 31; 40 B) 71; 31 C) 71; 40 D) 31; 71 ... (Read 21 times)

Sportsfan2111 · **on:** Aug 27, 2018

For the isotope 71Ga, Z = ________ and A = ________.

A) 31; 40
B) 71; 31
C) 71; 40
D) 31; 71
E) 31; 69.723

Question 2

The reaction of amino acids to give peptides involves which pair of functional groups?

A) two amino groups
B) two carboxyl groups
C) an amino and a carboxyl group
D) a carboxyl and an alcohol group