Cell Cycle (Mitosis) Flashcards

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1
Q

Also referred to as duplication division

A

Mitosis

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2
Q

What types of cells undergo mitosis

A

Body cells / somatic cells

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3
Q

Mitosis is also called

A

Somatic cell division

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4
Q

Mitosis produces haploid or diploid cells?

A

2 diploid cells

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5
Q

What do prokaryotic cells go through instead of mitosis and meiosis?

A

Binary fission

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6
Q

Tightly coiled DNA strands

A

Chromosomes

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7
Q

Complex set of macromolecules containing loose DNA, RNA, and proteins

A

Chromatin

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8
Q

Condensed chromatin that make up a chromosome

A

Chromatid

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9
Q

A chromosome is made up of how many sister chromatids?

A

2 sister chromatids

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10
Q

Where do the spindle fibers attache during metaphase?

A

Kinetochores

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11
Q

Each chromosome has how many kinetochores?

A

2

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12
Q

What holds the sister chromatids together?

A

Centromere

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13
Q

Contain repeated nucleotides

A

Telomeres

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14
Q

Stages of mitosis

A

Interphase

M phase

Cytokinesis

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15
Q

Period of growth that occurs between cell divisions

A

Interphase

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16
Q

Stages of the interphase

A

Go phase

G1 phase

S phase

G2 phase

17
Q

Cell leaves the cycle and enters a temporary period of rest

A

Go phase

18
Q

Phase where organelles divide

A

G1 phase

19
Q

What checkpoint is present between G1 phase and S phase?

A

Restriction point (G1 checkpoint)

20
Q

What does the G1 checkpoint check?

A

If the cell has reached its optimum size and is the environment suitable enough

21
Q

DNA synthesis and chromosome replication

A

S phase

22
Q

Synthesis of proteins needed for cell division

A

G2 phase

23
Q

What checkpoint is present after G2 phase?

A

DNA damage checkpoint

24
Q

What does the DNA damage checkpoint check?

A

If the DNA is damaged and if it has replicated correctly

25
Q

What phase prepares the cell for cytokinesis

A

M phase

26
Q

What are the phases of mitosis (m phase)

A

Prophase

Metaphase

Anaphase

Telophase

27
Q

What happens in prophase?

A

Condensing of chromosomes

Separation of centrioles

Disintegration of nuclear envelope and nucleolus

28
Q

What happens in metaphase?

A

Spindle fibres attache to kinetochores of the sister chromatids

alignment of chromosomes on the metaphase plate

29
Q

What is another term for the metaphase plate?

A

Equatorial plate

30
Q

What checkpoint is present before cell undergoes anaphase?

A

Spindle checkpoint

31
Q

What happens in anaphase?

A

Spindle fibers shorten and pull sister chromatids apart to opposite poles of the cells

32
Q

What happens in telophase?

A

Formation of the nuclear membrane

Two sets of identical chromosomes are positioned at each pole of the cell

33
Q

Phase where the cytoplasm pinches in half

A

Cytokinesis

34
Q

Result of the constriction of myosin and actin in animal cells

Is produced before animal cells divide

A

Cleavage furrow

35
Q

Formed by vesicles of a plant cell

Formed before cells divide

A

Cell plate