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A & P Lab > Lab Exam 2: Meiosis and Mitosis > Flashcards

Lab Exam 2: Meiosis and Mitosis Flashcards

1
Q

interphase

A

longer period in which the cell grows and carries out its usual activities

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2
Q

what is another name for the mitotic phase?

A

cell division

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3
Q

mitotic phase

A

period when the cell reproduces itself by dividing

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4
Q

cell division is essential for…

A

growth and repair

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5
Q

2 events in the M (mitotic) Phase

A

mitosis and cytokinesis

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6
Q

division of the cytoplasm

A

cytokinesis

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7
Q

division of the copied DNA of the mother cell into 2 daughter nuclei

A

mitosis

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8
Q

product of meiosis

A

yields four daughter nuclei that differ genetically in composition from mother nucleus, production of gametes

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9
Q

4 phases of mitosis

A

prophase, metaphase, anaphase, telophase

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10
Q

interphase

A
  • cell carries out normal metabolic activities
  • not part of mitosis
  • DNA is in form of chromatin
  • nuclear envelope in tact and visible
  • 3 phases
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11
Q

3 periods of interphase

A

G1, S, G2

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12
Q

G1 phase in interphase

A

centrioles begin replicating

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13
Q

S phase in interphase

A

DNA replicated

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14
Q

G2 phase in interphase

A

final preparations for mitosis completed, centrioles finish replicating

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15
Q

prophase

A
  • chromatin condenses forming chromosomes

- nuclear envelope breaks up

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16
Q

sister chromatids held together by

A

centromere

17
Q

centrosomes are focal point of

A

mitotic spindle

18
Q

metaphase

A

centrosomes at opposite poles of cell

- chromosomes line up in middle, metaphase plate

19
Q

anaphase

A

chromosomes now V shaped

start to pull to opposite sides of the cell

20
Q

telophase

A

chromosomes uncoil into chromatin

nuclear envelope forms

21
Q

cytokinesis

A

begins in late anaphase

ring of actin forms cleavage furrow pinching cell apart

A & P Lab (12 decks)

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