BIOCHEM ACS STUDY GUIDE | 129 COMPLETE QUESTIONS
AND ANSWERS | 100% RATED CORRECT | 100% VERFIED |
ALREADY GRADED A+|GET A+
Each of the following subcellular structures contains DNA EXCEPT
A. the nucleus.
B. ribosomes.
C. chloroplasts.
D. mitochondria. - (answer)B
In plant and animal cells, the three-dimensional integrity of the cell
is maintained, in part, by an internal network of filaments called
A. the cell wall.
B. the Golgi apparatus.
C. the cytoskeleton.
D. the endoplasmic reticulum. - (answer)C
,Of the following, which are prokaryotes?
A. viruses
B. bacteria
C. yeast
D. plant cells - (answer)B
G° for the conversion of glycerol-3-phosphate to glycerol + Pi is -2.2 kcal/mole.
Thus, you can conclude that
A. this reaction will occur spontaneously.
B. this reaction may or may not occur spontaneously, depending on the
actual concentrations of reactants and products.
C. this reaction will only occur spontaneously if it is coupled to
another reaction that has a more favorable G°.
,D. this reaction is so strongly favorable that it could be coupled to
drive an otherwise unfavorable cell reaction. - (answer)B
In most biochemical reactions, ∆PV is
A. negligible
B. positive
C. negative
D. dependent on ∆E - (answer)A
According to the Second Law of Thermodymnamics,
A. the total entropy change in any reaction that occurs spontaneously must be
greater than 0.
B. the total entropy change in any reaction that occurs spontaneously must be less
than 0.
C. the total entropy of the universe remains constant.
D. the total entropy of the universe is always decreasing. - (answer)A
, Which of the following is true?
A. Liquid and solid water have the same number of hydrogen bonds per molecule
of water
B. Liquid water has more hydrogen bonds per molecule than does solid water
C. Solid water has more hydrogen bonds per molecule than does liquid water
D. Hydrogen bonding is a major factor in the structure of gaseous water
E. None is true - (answer)C
What is the pH of an aqueous solution that has a [OH-] of 3.45 x 10-5 M?
A. 3.47
B. 4.47
C. 5.53
D. 9.54
E. none of the above - (answer)D
AND ANSWERS | 100% RATED CORRECT | 100% VERFIED |
ALREADY GRADED A+|GET A+
Each of the following subcellular structures contains DNA EXCEPT
A. the nucleus.
B. ribosomes.
C. chloroplasts.
D. mitochondria. - (answer)B
In plant and animal cells, the three-dimensional integrity of the cell
is maintained, in part, by an internal network of filaments called
A. the cell wall.
B. the Golgi apparatus.
C. the cytoskeleton.
D. the endoplasmic reticulum. - (answer)C
,Of the following, which are prokaryotes?
A. viruses
B. bacteria
C. yeast
D. plant cells - (answer)B
G° for the conversion of glycerol-3-phosphate to glycerol + Pi is -2.2 kcal/mole.
Thus, you can conclude that
A. this reaction will occur spontaneously.
B. this reaction may or may not occur spontaneously, depending on the
actual concentrations of reactants and products.
C. this reaction will only occur spontaneously if it is coupled to
another reaction that has a more favorable G°.
,D. this reaction is so strongly favorable that it could be coupled to
drive an otherwise unfavorable cell reaction. - (answer)B
In most biochemical reactions, ∆PV is
A. negligible
B. positive
C. negative
D. dependent on ∆E - (answer)A
According to the Second Law of Thermodymnamics,
A. the total entropy change in any reaction that occurs spontaneously must be
greater than 0.
B. the total entropy change in any reaction that occurs spontaneously must be less
than 0.
C. the total entropy of the universe remains constant.
D. the total entropy of the universe is always decreasing. - (answer)A
, Which of the following is true?
A. Liquid and solid water have the same number of hydrogen bonds per molecule
of water
B. Liquid water has more hydrogen bonds per molecule than does solid water
C. Solid water has more hydrogen bonds per molecule than does liquid water
D. Hydrogen bonding is a major factor in the structure of gaseous water
E. None is true - (answer)C
What is the pH of an aqueous solution that has a [OH-] of 3.45 x 10-5 M?
A. 3.47
B. 4.47
C. 5.53
D. 9.54
E. none of the above - (answer)D
