Entrance Test For Biotechnology Page 9
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2345. Sodium
and
G lucose
t ransport
i s
a n
e xample
o f
a) Facilitated
d iffusion
b) ATP
d riven
a ctive
t ransport
c) Symport
d) Antiport
46. Which
o f
t he
f ollowing
m otor
p roteins
i s
n ot
i nvolved
i n
t he
v esicular
t ransport
a long
t he
m icrotubule?
a) Kinesin-‐1
b) Kinesin-‐2
c) Cytoplasmic
d ynein
d) Kinesin
1 3
47. All
o f
t he
f ollowing
m ay
s erve
a s
i ntracellular
m essengers
e xcept
a) Acetylcholine
b) cAMP
c) 1,2
D iacylglycerol
d) Calcium
i ons
48. Connective
t issue
f ibers
a re
p roduced
b y;
a) Macrophages
b) Mast
c ells
c) Fibroblasts
d) Kupffer
c ells
49. Which
o f
t he
f ollowing
i s
t he
i mportant
f unction
o f
p rotein
k inases?
a) Hydrolyze
p roteins
b) Polymerize
a mino
a cids
c) Bind
c GMP
d) Add
p hosphate
g roups
t o
p roteins
50. Which
o f
t he
f ollowing
p airs
o f
c yclin
a nd
c yclin
d ependent
k inase
i s
i nvolved
i n
G 1
p hase
o f
c ell
c ycle
c lock?
a) Cyclin
A /
C DK2
c omplexes
b) Cyclin
D /
C DK4/6
c omplexes
c) Cyclin
E /
C DK2
c omplexes
d) Cyclin
B /
C DK1
51. Which
o f
t he
f ollowing
s ets
o f
r eactions
o ccurs
i n
t he
s troma
o f
t he
c hloroplast
i n
p lant
c ells?
a) Calvin
c ycle
b) Krebs
C ycle
c) Ammonification
d) Decarboxylation
52. The
p H
o f
a cetic
a cid
w hich
i s
9 0%
d issociated
w ould
b e
( given
p K
o f
a cetic
a cid=4.76):
a) Between
5 .5
a nd
6 .76
b) Between
7 .0
a nd
8 .0
c) Between
4 .0
a nd
5 .0
9
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