biol 2070 final exam
BIOL 2070 FINAL EXAM QUIZZES AND
ANSWERS GRADED A
What is a possible effect of a signaling molecule binding to a cell?
a. decreases movement
b. increased proliferation
c. decreases protein secretion
d. all of the choice are possible effects.
e. increases transcription -
What is the correct sequence for the different phases of the cell cycle?
a. G1, G2, S, M
b. S, G1, G2, M
c. G1, S, G2, M
d. S, G1, M, G2
e. G1, G2, M, S - c
S-Cdk is important for what stage of the cell cycle?
a. interphase
b. S phase
c. G1 phase
d. M phase
e. G2 phase - b
biol 2070 final exam
,biol 2070 final exam
Which of the following statements about cAMP is false?
a. is classified as a second messenger
b. is broken down by phosphodiesterase into AMP
c. binds to protein kinase A
d. s not involved in sugar metabolism
e. is synthesized from ATP - d
which of the following is not a form of chemical communication in cells?
a. contact dependent
b. neuronal
c. all the choices are forms of chemical communication in cells
d. paracrine
e. endocrine - c
What is the function of a phosphatase?
a. it dephosphorylates proteins
b. it is a channel protein
c. it transfers amino acids to proteins
d. it is a catalyst
e. it binds cyclins. - a
What is the primary function of mitogens?
a. to initiate cell differentiation
b. to promote cell adhesion
biol 2070 final exam
, biol 2070 final exam
c. to stimulate cell division
d. to induce apoptosis
e. to alter cell size - c
Which of the following statements about apoptosis is false?
a. it is involved in digit formation during animal development
b. involves changes in cell morphology
c. allows frogs to develop from tadpoles
d. it is regulated by caspases
e. it is a process only observed in diseased cells - e
Sister chromatids move away from each other to opposite poles of the cell during
what stage of mitosis?
a. anaphase
b. prophase
c. telophase
d. metaphase
e. cytokinesis - a
Which of the following statements about kinesin and dynein is false?
a. kinesis transports cargo towards the plus end
b. both associate with microtubules
c. dynein transports cargo towards the minus ends
d. kinesin transports cargo towards the microtubule organizing center
e. both bind ATP - d
biol 2070 final exam
BIOL 2070 FINAL EXAM QUIZZES AND
ANSWERS GRADED A
What is a possible effect of a signaling molecule binding to a cell?
a. decreases movement
b. increased proliferation
c. decreases protein secretion
d. all of the choice are possible effects.
e. increases transcription -
What is the correct sequence for the different phases of the cell cycle?
a. G1, G2, S, M
b. S, G1, G2, M
c. G1, S, G2, M
d. S, G1, M, G2
e. G1, G2, M, S - c
S-Cdk is important for what stage of the cell cycle?
a. interphase
b. S phase
c. G1 phase
d. M phase
e. G2 phase - b
biol 2070 final exam
,biol 2070 final exam
Which of the following statements about cAMP is false?
a. is classified as a second messenger
b. is broken down by phosphodiesterase into AMP
c. binds to protein kinase A
d. s not involved in sugar metabolism
e. is synthesized from ATP - d
which of the following is not a form of chemical communication in cells?
a. contact dependent
b. neuronal
c. all the choices are forms of chemical communication in cells
d. paracrine
e. endocrine - c
What is the function of a phosphatase?
a. it dephosphorylates proteins
b. it is a channel protein
c. it transfers amino acids to proteins
d. it is a catalyst
e. it binds cyclins. - a
What is the primary function of mitogens?
a. to initiate cell differentiation
b. to promote cell adhesion
biol 2070 final exam
, biol 2070 final exam
c. to stimulate cell division
d. to induce apoptosis
e. to alter cell size - c
Which of the following statements about apoptosis is false?
a. it is involved in digit formation during animal development
b. involves changes in cell morphology
c. allows frogs to develop from tadpoles
d. it is regulated by caspases
e. it is a process only observed in diseased cells - e
Sister chromatids move away from each other to opposite poles of the cell during
what stage of mitosis?
a. anaphase
b. prophase
c. telophase
d. metaphase
e. cytokinesis - a
Which of the following statements about kinesin and dynein is false?
a. kinesis transports cargo towards the plus end
b. both associate with microtubules
c. dynein transports cargo towards the minus ends
d. kinesin transports cargo towards the microtubule organizing center
e. both bind ATP - d
biol 2070 final exam
