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Biology Flashcards

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Biology 101 flashcards
1
Q

phragmosome is made during

A

Prophase

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2
Q

microtubule nucleation occurs during

A

prophase

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3
Q

Gamma tubulin causes … during …

A

microtubule nucleation during prophase

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4
Q

a transverse sheet of cytoplasm brings the nucleus to the center, made during

A

phragmosome during prophase

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5
Q

Synaptonemal complex is made during

A

pachytene stage of prophase 1

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6
Q

microtubule organizing centers activate during

A

prophase

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7
Q

nucleolus disappears, and the nuclear envelope dissolves in

A

prophase

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8
Q

centrosomes sent apart during

A

prophase

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9
Q

katanin, which severs these, forms during

A

prophase, severs microtubules

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10
Q

stage where chromosomes are most tightly wound

A

metaphase

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11
Q

karyotypes are made during this stage

A

metaphase

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12
Q

colchinine are used in this stage to halt it

A

metaphase

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13
Q

B cyclin is destroyed in

A

metaphase

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14
Q

to pass this stage, there must be enough tension mitotic spindle

A

metaphase

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15
Q

CDC20 makes this protein

A

APC or Anaphase promoting complex(starts anaphase)

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16
Q

this holds sister chromatids together, and is broken during

A

cohesin, anaphase

17
Q

CDC27 makes up a protein complex during

A

anaphase (APC or anaphase promoting complex)

18
Q

MAD2 is a regularatory protein between..

A

Metaphase and anaphase

19
Q

cohesion is broken in

A

anaphase

20
Q

mad and bub proteins are checkpoints before and help activate

A

Anaphase promoting complex

21
Q

the ubiquitination(destruction) of securin happens during

A

anaphase

22
Q

separase is released during

A

anaphase

23
Q

polar microtubules elongate during and kinetocore microtubules shorten during

A

anaphase

24
Q

ubiquitin ligase production beings during

A

anaphase

25
Q

CDH1 binds to a protein in this

A

anaphase, anaphase promoting complex

26
Q

is an E3 ubiquitin ligase

A

anaphase promoting complex

27
Q

the cleavage furrow is made during

A

telophase

28
Q

the cell plate is made during

A

telophase

29
Q

chromosome decondense during

A

telophase

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