Biochem Midterm Exam questions well
answered to pass graded A+
DNA is made from the building blocks adenine, guanine, cytosine, and
____________.
Select one:
a. glycogen
b. thymine
c. uracil
d. none of the above - correct answer ✔✔Thymine
____________: Filled with proteases and other digestive enzymes.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum - correct 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. - correct answer ✔✔replication, transcription, translation
____________: Responsible for protein processing and xenobiotic metabolism.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum - correct 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 - correct 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 - correct 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. - correct 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 - correct answer ✔✔alcohol
Molecules that are readily soluble in water are considered .
Select one:
a. Polar
b. Nonpolar - correct 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 - correct 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?
Select one:
a. Ionic bonding
b. Brownian motion
c. Hydrogen Bonding
d. Van der Waals - correct answer ✔✔Hydrogen Bonding
Which type of amino acid is responsible for increasing entropy as a protein folds?
Select one:
a. Polar
b. Nonpolar - correct answer ✔✔Nonpolar
answered to pass graded A+
DNA is made from the building blocks adenine, guanine, cytosine, and
____________.
Select one:
a. glycogen
b. thymine
c. uracil
d. none of the above - correct answer ✔✔Thymine
____________: Filled with proteases and other digestive enzymes.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum - correct 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. - correct answer ✔✔replication, transcription, translation
____________: Responsible for protein processing and xenobiotic metabolism.
Select one:
a. cell wall
b. lysosome
c. cytoplasm
d. endoplasmic reticulum - correct 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 - correct 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 - correct 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. - correct 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 - correct answer ✔✔alcohol
Molecules that are readily soluble in water are considered .
Select one:
a. Polar
b. Nonpolar - correct 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 - correct 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?
Select one:
a. Ionic bonding
b. Brownian motion
c. Hydrogen Bonding
d. Van der Waals - correct answer ✔✔Hydrogen Bonding
Which type of amino acid is responsible for increasing entropy as a protein folds?
Select one:
a. Polar
b. Nonpolar - correct answer ✔✔Nonpolar
