DOWNLOAD-D-11-53-5F0DB470BB61D Flashcards

1
Q

14 July 2020

A

sanjib.biology2012@gmail.com

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2
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14 July 2020

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3
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Eg: Liver cells and Lymphocytes
Cells that normally possess a relatively high
level of mitotic activity.
Eg: stem cells of adult tissue

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4
Q

14 July 2020

A

sanjib.biology2012@gmail.com

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5
Q

14 July 2020

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6
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14 July 2020

A

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7
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14 July 2020

A

sanjib.biology2012@gmail.com

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8
Q

•Extracellular signals

A

(effect of growth factors

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9
Q

14 July 2020

A

sanjib.biology2012@gmail.com

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10
Q

14 July 2020

A

sanjib.biology2012@gmail.com

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11
Q

•if

A

yeasts are faced with a shortage of

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12
Q

14 July 2020

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13
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14
Q

A

yeasts
passage of animal cells through the cell cycle
is regulated primarily by the extracellular
growth factors that signal cell proliferation,
rather than by the availability of nutrients

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15
Q

14 July 2020

A

sanjib.biology2012@gmail.com

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16
Q

point

A

in

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17
Q

14 July 2020

A

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18
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14 July 2020

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19
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14 July 2020

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20
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21
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the cell cycle is regulated.They wanted to know whether the cytoplasm of cellscontains regulatory factors that affect cell cycleactivities.

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22
Q

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23
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14 July 2020

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24
Q

14 July 2020

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25
Q

14 July 2020

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26
Q

A

results suggested that

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27
Q

14 July 2020

A

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28
Q

14 July 2020

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29
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30
Q

14 July 2020

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31
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14 July 2020

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32
Q

14 July 2020

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33
Q

14 July 2020

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34
Q

14 July 2020

A

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35
Q

14 July 2020

A

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36
Q

14 July 2020

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37
Q

14 July 2020

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38
Q

14 July 2020

A

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39
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14 July 2020

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40
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14 July 2020

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sanjib.biology2012@gmail.com

41
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14 July 2020

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sanjib.biology2012@gmail.com

42
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14 July 2020

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43
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14 July 2020

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44
Q

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cyclin D1 is also rapidly degraded, so its
intracellular concentration rapidly falls if growth

45
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A

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46
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sanjib.biology2012@gmail.com

47
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a

A

variety

48
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49
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sanjib.biology2012@gmail.com

50
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14 July 2020

A

sanjib.biology2012@gmail.com

51
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14 July 2020

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sanjib.biology2012@gmail.com

52
Q

A

belongs to the Cip/Kip family.
In addition, growth factor signaling via both
the Ras/Raf/MEK/ERK and PI 3-kinase/ Akt
pathways reduces the transcription and
translation of p27, lowering the levels of p27
within the cell.

53
Q

14 July 2020

A

sanjib.biology2012@gmail.com

54
Q

14 July 2020

A

sanjib.biology2012@gmail.com

55
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14 July 2020

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sanjib.biology2012@gmail.com

56
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14 July 2020

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sanjib.biology2012@gmail.com

57
Q

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The Licensing of DNA Replication in EukaryotesThe precise replication of DNA is accomplished by the separation ofthe initiation of replication into two distinct steps.

58
Q

14 July 2020

A

sanjib.biology2012@gmail.com

59
Q

A

operative in G1, S, and G2 phases of the cell
cycle, serve to halt cell cycle progression and
allow time for the damage to be repaired
before DNA replication or cell division
proceeds

60
Q

14 July 2020

A

sanjib.biology2012@gmail.com

61
Q

14 July 2020

A

sanjib.biology2012@gmail.com

62
Q

•Both

A

CHK1 and CHK2 phosphorylate and

63
Q

CHK2

A

phosphorylate

64
Q

14 July 2020

A

sanjib.biology2012@gmail.com

65
Q

A

of Cdk2At the G2 checkpoint, CHK1 and CHK2phosphorylate and inhibit Cdc25C, which isresponsible for activating Cdk1 I cyclin Bcomplexes.

66
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14 July 2020

A

sanjib.biology2012@gmail.com

67
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14 July 2020

A

sanjib.biology2012@gmail.com

68
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14 July 2020

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sanjib.biology2012@gmail.com

69
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14 July 2020

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sanjib.biology2012@gmail.com

70
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14 July 2020

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sanjib.biology2012@gmail.com

71
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14 July 2020

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sanjib.biology2012@gmail.com

72
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14 July 2020

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sanjib.biology2012@gmail.com

73
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14 July 2020

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sanjib.biology2012@gmail.com

74
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14 July 2020

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sanjib.biology2012@gmail.com

75
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14 July 2020

A

sanjib.biology2012@gmail.com

76
Q

•This

A

increased

77
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A

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78
Q

14 July 2020

A

sanjib.biology2012@gmail.com

79
Q

14 July 2020

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80
Q

14 July 2020

A

sanjib.biology2012@gmail.com

81
Q

•Activation of the APC is

A

induced at the beginning of mitosis, so the

82
Q

14 July 2020

A

sanjib.biology2012@gmail.com

83
Q

•The

A

Mad/Bub

84
Q

•The

A

presence of these proteins (especially Mad2) at an unattached

85
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14 July 2020

A

sanjib.biology2012@gmail.com

86
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14 July 2020

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sanjib.biology2012@gmail.com

87
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14 July 2020

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sanjib.biology2012@gmail.com

88
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14 July 2020

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89
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14 July 2020

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sanjib.biology2012@gmail.com

90
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14 July 2020

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sanjib.biology2012@gmail.com

91
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14 July 2020

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sanjib.biology2012@gmail.com

92
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14 July 2020

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sanjib.biology2012@gmail.com

93
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14 July 2020

A

sanjib.biology2012@gmail.com