WGU C785 BIOCHEMISTRY OA 2 |ACTUAL
QUESTIONS AND VERIFIED ANSWERS |BRAND
NEW 2026-2027 UPDATE|GRADED A+
Question 1
The total number of stereo isomers for the amino acid isoleucine is
1
2
3
4
CORRECT ANSWER
4
(has two chiral centers thus z^2 = 4)
Question 2
The total number of stereoisomers for the amino acid glycine is
1
2
3
4
CORRECT ANSWER
1
(has no chiral center thus z^0 = 1)
1
, Question 3
The average lifetime of hydrogen bonds between water molecules is in the order of
Hours
Seconds
Milliseconds
Picoseconds
CORRECT ANSWER
Picoseconds
Question 4
The typical length go a hydrogen bond is roughly
A. Half of that of a covalent bond
B. Similar to that of a covalent bond
C. About two times longer than that of a covalent bond
D. About four times longer than that of a covalent bond
CORRECT ANSWER
C. About two times longer than that of a covalent bond
2
QUESTIONS AND VERIFIED ANSWERS |BRAND
NEW 2026-2027 UPDATE|GRADED A+
Question 1
The total number of stereo isomers for the amino acid isoleucine is
1
2
3
4
CORRECT ANSWER
4
(has two chiral centers thus z^2 = 4)
Question 2
The total number of stereoisomers for the amino acid glycine is
1
2
3
4
CORRECT ANSWER
1
(has no chiral center thus z^0 = 1)
1
, Question 3
The average lifetime of hydrogen bonds between water molecules is in the order of
Hours
Seconds
Milliseconds
Picoseconds
CORRECT ANSWER
Picoseconds
Question 4
The typical length go a hydrogen bond is roughly
A. Half of that of a covalent bond
B. Similar to that of a covalent bond
C. About two times longer than that of a covalent bond
D. About four times longer than that of a covalent bond
CORRECT ANSWER
C. About two times longer than that of a covalent bond
2