BCH 361 CH 1 EXAM QUESTIONS
WITH ALL CORRECT ANSWERS
Which of the following does NOT have a double membrane?
a) a mitochondrion
b) a nucleus
c) a prokaryote
d) an endosome - Answer-d
The process of transcription is carried out by the enzyme _____. - Answer-RNA
Polymerase
Human beings contain a higher percentage of _____ than is found in the Earth's crust.
a) sodium
b) oxygen
c) carbon
d) magnesium
e) potassium - Answer-c
- Answer-
Many biomolecules exist as polymers. Which of the following polymer(s) contains
multiple branch points?
a) DNA
b) RNA
c) glycogen
d) proteins - Answer-c
The monomer unit of _____ is called a(n) _____.
a) glycogen; glucose
b) proteins; amino acid
c) RNA; nucleotide
d) All - Answer-d
A protein destined to be secreted by the cell will, at some point during its lifetime, be
found in which of the following locations?
a) the Golgi complex
b) smooth ER
, c) transport vesicles
d) both the Golgi complex and transport vesicles - Answer-d
A key characteristic of lipids results from the fact that they:
a) contain both negative and positive charges.
b) are both hydrophobic and hydrophilic.
c) exist as polymers.
d) contain hydrocarbon chains that can interact with water. - Answer-b
Which of the following statements is NOT true of the plasma membrane?
a) It surrounds the cytoplasm.
b) It is selectively permeable.
c) It contains a hydrophobic core made up of hydrocarbon chains.
d) It surrounds the nucleus. - Answer-d
Fuel molecules undergo combustion in which cellular location?
a) cytoplasm
b) mitochondria
c) lysosomes
d) chloroplasts - Answer-b
During transcription, which of the following is NOT found associated with the RNA
polymerase at some point during the process?
a) the DNA double helix
b) the RNA-DNA hybrid helix
c) single-stranded RNA
d) the RNA-RNA hybrid helix - Answer-d
Ribosomes are made up of:
a) proteins
b) RNA
c) fatty acids
d) both proteins and RNA - Answer-d
Biomolecules can be divided into four different classes. Which of the following is NOT a
major class of biomolecule?
Please choose the correct answer from the following choices, and then select the
submit answer button.
a) proteins
b) lipids
WITH ALL CORRECT ANSWERS
Which of the following does NOT have a double membrane?
a) a mitochondrion
b) a nucleus
c) a prokaryote
d) an endosome - Answer-d
The process of transcription is carried out by the enzyme _____. - Answer-RNA
Polymerase
Human beings contain a higher percentage of _____ than is found in the Earth's crust.
a) sodium
b) oxygen
c) carbon
d) magnesium
e) potassium - Answer-c
- Answer-
Many biomolecules exist as polymers. Which of the following polymer(s) contains
multiple branch points?
a) DNA
b) RNA
c) glycogen
d) proteins - Answer-c
The monomer unit of _____ is called a(n) _____.
a) glycogen; glucose
b) proteins; amino acid
c) RNA; nucleotide
d) All - Answer-d
A protein destined to be secreted by the cell will, at some point during its lifetime, be
found in which of the following locations?
a) the Golgi complex
b) smooth ER
, c) transport vesicles
d) both the Golgi complex and transport vesicles - Answer-d
A key characteristic of lipids results from the fact that they:
a) contain both negative and positive charges.
b) are both hydrophobic and hydrophilic.
c) exist as polymers.
d) contain hydrocarbon chains that can interact with water. - Answer-b
Which of the following statements is NOT true of the plasma membrane?
a) It surrounds the cytoplasm.
b) It is selectively permeable.
c) It contains a hydrophobic core made up of hydrocarbon chains.
d) It surrounds the nucleus. - Answer-d
Fuel molecules undergo combustion in which cellular location?
a) cytoplasm
b) mitochondria
c) lysosomes
d) chloroplasts - Answer-b
During transcription, which of the following is NOT found associated with the RNA
polymerase at some point during the process?
a) the DNA double helix
b) the RNA-DNA hybrid helix
c) single-stranded RNA
d) the RNA-RNA hybrid helix - Answer-d
Ribosomes are made up of:
a) proteins
b) RNA
c) fatty acids
d) both proteins and RNA - Answer-d
Biomolecules can be divided into four different classes. Which of the following is NOT a
major class of biomolecule?
Please choose the correct answer from the following choices, and then select the
submit answer button.
a) proteins
b) lipids
