CELL CYCLE Flashcards

0
Q

Series of events that lead to the production of new cells

A

Cell cycle

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1
Q

Pre-requisite for division

A

DNA replication

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2
Q

2 major phases in cell division

A

Interphase and M phase

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3
Q

Phase where cell is metabolically active

A

Interphase

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4
Q

Gene expression is most active (transcription/translation)

A

G1 phase

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5
Q

Synthesis phase/DNA replication

A

S phase

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6
Q

Phase where cells check for errors and correct mutations

A

G2

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7
Q

Cell ceases to divided

A

G0

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8
Q

Phase when cell divides

A

M phase

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9
Q

DNA condenses to form chromosomes and nucleus starts to disintegrate

A

Prophase

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10
Q

Chromosomes align at the equator

A

Metaphase

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11
Q

Sister chromatids will be pulled appart

A

Anaphase

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12
Q

Cells have divide

A

Telophase

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13
Q

Number of chromosomes in a human

A

2n=46

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14
Q

1 set of chromosomes

A

Haploid

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15
Q

2 sets of chromosomes

A

Diploid

16
Q

Occurs in somatic cells

A

Mitosis

17
Q

Exclusive to sex cells

Produces gametes

Reduces # of chromosomes

A

Meiosis

18
Q

Two rounds of meiosis

A

M1 and M2

19
Q

Also called reductional division

Division of homologous chromosomes

A

Meiosis 1

20
Q

What happens during prophase 1?

A

Homologous chromosomes line up and crossing over happens

21
Q

Exchange of genetic material between chromosomes in m1

A

Crossing over

22
Q

Equational division

Starts with haploid ends with haploids

Sister chromatids divide

A

Meiosis 2

23
Q

Chromosome # of daughter cells in mitosis and meiosis

A

Mitosis 2n

Meiosis n

24
Q

of nuclear division in mitosis

A

1

25
Q

of nuclear division in meiosis

A

2

26
Q

of daughter cells in mitosis

A

2 diploid

27
Q

of daughter cells in meiosis

A

4 haploid