Biol 2070 Final Exam with Questions and
Correct Answers 2025
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 ,- ,CORRECT ,ANSWER-
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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-b
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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-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. ,- ,CORRECT ,ANSWER-a
What ,is ,the ,primary ,function ,of ,mitogens?
a. ,to ,initiate ,cell ,differentiation
b. ,to ,promote ,cell ,adhesion
c. ,to ,stimulate ,cell ,division
d. ,to ,induce ,apoptosis
e. ,to ,alter ,cell ,size ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-d
Which ,of ,the ,following ,is ,false ,about ,Cdks?
a. ,they ,regulate ,the ,cell ,cycle
b. ,they ,dephosphorylate ,proteins
c. ,they ,interact ,with ,cyclins
d. ,they ,phosphorylate ,proteins
e. ,they ,are ,a ,family ,of ,kinases. ,- ,CORRECT ,ANSWER-b
Correct Answers 2025
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 ,- ,CORRECT ,ANSWER-
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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-b
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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-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. ,- ,CORRECT ,ANSWER-a
What ,is ,the ,primary ,function ,of ,mitogens?
a. ,to ,initiate ,cell ,differentiation
b. ,to ,promote ,cell ,adhesion
c. ,to ,stimulate ,cell ,division
d. ,to ,induce ,apoptosis
e. ,to ,alter ,cell ,size ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-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 ,- ,CORRECT ,ANSWER-d
Which ,of ,the ,following ,is ,false ,about ,Cdks?
a. ,they ,regulate ,the ,cell ,cycle
b. ,they ,dephosphorylate ,proteins
c. ,they ,interact ,with ,cyclins
d. ,they ,phosphorylate ,proteins
e. ,they ,are ,a ,family ,of ,kinases. ,- ,CORRECT ,ANSWER-b
