BIOCHEM C785 MIDTERM 2 QUESTIONS AND
SOLUTIONS GRADED A+
◉ ____________: Filled with proteases and other digestive enzymes.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum.
Answer: Lysosome
◉ Below is the scheme known as the central dogma. Each of the
arrows (A, B, C) represents a particular process in gene expression.
A, B, and C, respectively, are:
Select one:
a. replication, transcription, translation.
b. reverse transcription, transcription, translation.
c. transcription, translation, replication.
d. replication translation, expression.
e. None of the above..
Answer: replication, transcription, translation
,◉ ____________: Responsible for protein processing and xenobiotic
metabolism.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum.
Answer: endoplasmic reticulum
◉ Poisons that kill an organism as a result of a loss of high-energy
ATP molecules are most likely to target which organelle?
Select one:
a. mitochondria
b. cytoskeleton
c. cytoplasm
d. endoplasmic reticulum
e. nucleus.
Answer: mitochondria
◉ Movement of particles due to the random fluctuations of energy
content of the environment is known as ____________.
Select one:
,a. Brownian motion
b. van der Waals
c. entropy.
d. None of the above.
Answer: Brownian motion
◉ A water solution whose pH is 10 _____________.
Select one:
a. is always neutral.
b. is always basic.
c. is always acidic.
d. might be neutral, basic, or acidic..
Answer: is always neutral.
◉ Which type of functional group is seen in this molecule found in
many interesting beverages?
Select one:
a. Alcohol
b. Thiol
c. Ketone
d. Carboxylic acid.
Answer: alcohol
, ◉ Molecules that are readily soluble in water are considered .
Select one:
a. Polar
b. Nonpolar.
Answer: Polar
◉ Which type of functional group is seen in this molecule?
Select one:
a. Alcohol
b. Phosphate
c. Ketone
d. Carboxylic acid
e. Amine
f. Thiol
g. Aromatic.
Answer: Aromatic
◉ What is the significant interaction is weak enough to be easily
disrupted; yet when many are present in large numbers, provides
the stabilization necessary for larger structures such as DNA?
SOLUTIONS GRADED A+
◉ ____________: Filled with proteases and other digestive enzymes.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum.
Answer: Lysosome
◉ Below is the scheme known as the central dogma. Each of the
arrows (A, B, C) represents a particular process in gene expression.
A, B, and C, respectively, are:
Select one:
a. replication, transcription, translation.
b. reverse transcription, transcription, translation.
c. transcription, translation, replication.
d. replication translation, expression.
e. None of the above..
Answer: replication, transcription, translation
,◉ ____________: Responsible for protein processing and xenobiotic
metabolism.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum.
Answer: endoplasmic reticulum
◉ Poisons that kill an organism as a result of a loss of high-energy
ATP molecules are most likely to target which organelle?
Select one:
a. mitochondria
b. cytoskeleton
c. cytoplasm
d. endoplasmic reticulum
e. nucleus.
Answer: mitochondria
◉ Movement of particles due to the random fluctuations of energy
content of the environment is known as ____________.
Select one:
,a. Brownian motion
b. van der Waals
c. entropy.
d. None of the above.
Answer: Brownian motion
◉ A water solution whose pH is 10 _____________.
Select one:
a. is always neutral.
b. is always basic.
c. is always acidic.
d. might be neutral, basic, or acidic..
Answer: is always neutral.
◉ Which type of functional group is seen in this molecule found in
many interesting beverages?
Select one:
a. Alcohol
b. Thiol
c. Ketone
d. Carboxylic acid.
Answer: alcohol
, ◉ Molecules that are readily soluble in water are considered .
Select one:
a. Polar
b. Nonpolar.
Answer: Polar
◉ Which type of functional group is seen in this molecule?
Select one:
a. Alcohol
b. Phosphate
c. Ketone
d. Carboxylic acid
e. Amine
f. Thiol
g. Aromatic.
Answer: Aromatic
◉ What is the significant interaction is weak enough to be easily
disrupted; yet when many are present in large numbers, provides
the stabilization necessary for larger structures such as DNA?
