Mastering Biology 2 EXAM NEWEST UPDATE
2024/2025 QUESTION AND DETAILED ANSWERS
(100% VERIFIED) | GRADED A+
Which of these is NOT a lipid?
a) RNA
b) phospholipid
c) steroids
d) cholesterol
e) wax - Correct Answer- b) RNA
Which of these is rich in unsaturated fats?
a) beef fat
b) olive oil
c) lard
d) a fat that is solid at room temperature
e) butter - Correct Answer- b) olive oil
A function of cholesterol that does not harm health is its role _____.
a) All of cholesterol's effects cause the body harm.
b) the most abundant male sex hormone
c) as a component of animal cell membranes
d) in calcium and phosphate metabolism
e) as the primary female sex hormone - Correct Answer- c) as a component of
animal cell membranes
Proteins are polymers of _____.
, a) glycerol
b) amino acids
c) nucleotides
d) CH2O units
e) hydrocarbons - Correct Answer- b) amino acids
What type of bond joins the monomers in a protein's primary structure?
a) S - S
b) peptide
c) hydrogen
d) ionic
e) hydrophobic - Correct Answer- b) peptide
The secondary structure of a protein results from _____.
a) hydrophobic interactions
b) bonds between sulfur atoms
c) peptide bonds
d) hydrogen bonds
e) ionic bonds - Correct Answer- d) hydrogen bonds
Tertiary structure is NOT directly dependent on _____.
a) bonds between sulfur atoms
b) peptide bonds
c) hydrophobic interactions
d) ionic bonds
2024/2025 QUESTION AND DETAILED ANSWERS
(100% VERIFIED) | GRADED A+
Which of these is NOT a lipid?
a) RNA
b) phospholipid
c) steroids
d) cholesterol
e) wax - Correct Answer- b) RNA
Which of these is rich in unsaturated fats?
a) beef fat
b) olive oil
c) lard
d) a fat that is solid at room temperature
e) butter - Correct Answer- b) olive oil
A function of cholesterol that does not harm health is its role _____.
a) All of cholesterol's effects cause the body harm.
b) the most abundant male sex hormone
c) as a component of animal cell membranes
d) in calcium and phosphate metabolism
e) as the primary female sex hormone - Correct Answer- c) as a component of
animal cell membranes
Proteins are polymers of _____.
, a) glycerol
b) amino acids
c) nucleotides
d) CH2O units
e) hydrocarbons - Correct Answer- b) amino acids
What type of bond joins the monomers in a protein's primary structure?
a) S - S
b) peptide
c) hydrogen
d) ionic
e) hydrophobic - Correct Answer- b) peptide
The secondary structure of a protein results from _____.
a) hydrophobic interactions
b) bonds between sulfur atoms
c) peptide bonds
d) hydrogen bonds
e) ionic bonds - Correct Answer- d) hydrogen bonds
Tertiary structure is NOT directly dependent on _____.
a) bonds between sulfur atoms
b) peptide bonds
c) hydrophobic interactions
d) ionic bonds
