Ole Miss: Bisc 160 - Exam 1 || Questions and Answers.
A C-Cl bond consists of ____ shared electrons.
A. 1
B. 4
C. 2
D. 6
E. 8 correct answers C.
How many fatty acids are in a phospholipid?
A. 1
B. 2
C. 3
D. 6
E. >30 correct answers B
DNA differs from RNA in that:
A. DNA contains adenine and RNA contains thymine
B. they extend the polymer in different directions
C. they contain a different sugar
D. A, B, and C
E. A and B, but not C correct answers C
In the primary structure of a protein, two amino acids are connected by a ____ bond formed from
a ____ reaction.
A. peptide, hydrolysis
B. glycosidic, condensation
C. phosphodiester, hydrolysis
, D. hydrogen, condensation
E. peptide, condensation correct answers E
A poikilothermic organism with a low proportion of unsaturated fatty acids in its cell membranes
is most likely to be found in:
A. dark environment
B. warm environment
C. salty environment
D. cold environment
E. dry environment correct answers B
An animal cell is placed in a solution containing a higher concentration of solutes than inside the
cell. the solution is ____ compared to the cell, and the cell wall will ____.
A. hypertonic, swell up
B. isotonic, swell up
C. hypotonic, shrivel
D. hypotonic, swell up
E. hypertonic, shrivel correct answers E
Cells respond to adrenaline by producing cAMP which activates protein kinase A which activates
phosphorylase kinase which activates glycogen phosphorylase which causes glycogen to release
glucose-1-phosphate which is converted to glucose. This is an example of a ____.
A. signal cascade
B. ion channel pathway
C. autocrine pathway
D. juxtacrine pathway
E. signal reduction correct answers A
A C-Cl bond consists of ____ shared electrons.
A. 1
B. 4
C. 2
D. 6
E. 8 correct answers C.
How many fatty acids are in a phospholipid?
A. 1
B. 2
C. 3
D. 6
E. >30 correct answers B
DNA differs from RNA in that:
A. DNA contains adenine and RNA contains thymine
B. they extend the polymer in different directions
C. they contain a different sugar
D. A, B, and C
E. A and B, but not C correct answers C
In the primary structure of a protein, two amino acids are connected by a ____ bond formed from
a ____ reaction.
A. peptide, hydrolysis
B. glycosidic, condensation
C. phosphodiester, hydrolysis
, D. hydrogen, condensation
E. peptide, condensation correct answers E
A poikilothermic organism with a low proportion of unsaturated fatty acids in its cell membranes
is most likely to be found in:
A. dark environment
B. warm environment
C. salty environment
D. cold environment
E. dry environment correct answers B
An animal cell is placed in a solution containing a higher concentration of solutes than inside the
cell. the solution is ____ compared to the cell, and the cell wall will ____.
A. hypertonic, swell up
B. isotonic, swell up
C. hypotonic, shrivel
D. hypotonic, swell up
E. hypertonic, shrivel correct answers E
Cells respond to adrenaline by producing cAMP which activates protein kinase A which activates
phosphorylase kinase which activates glycogen phosphorylase which causes glycogen to release
glucose-1-phosphate which is converted to glucose. This is an example of a ____.
A. signal cascade
B. ion channel pathway
C. autocrine pathway
D. juxtacrine pathway
E. signal reduction correct answers A
