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A&P > Chapter 3 Meiosis > Flashcards

Chapter 3 Meiosis Flashcards

1
Q

Definition of mitosis

A

Division of the nucleus of a cell

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2
Q

Phases of interphase

A

G1, S, G2 phases

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3
Q

Significance of S phase of interphase

A

Doubling of DNA

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4
Q

Form of DNA in interphase

A

Chromatin

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5
Q

Number of strands of DNA in a human cell

A

46

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6
Q

Phase in interphase when proteins and enzymes needed for cell division are made

A

G2 phase

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7
Q

Phases of mitosis

A

Prophase metaphase anaphase and telophase

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8
Q

Phase in which chromosomes condense

A

Prophase

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9
Q

Number of strands of DNA in one chromosome during prophase

A

Two

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10
Q

Number of centrioles in a centrosome

A

Two

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11
Q

Place on a chromosome with two DNA strands join

A

Centromere

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12
Q

Phase where centromere’s line up along the middle of the cell

A

Metaphase

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13
Q

Part of chromosome where spindle fibers attach

A

Centromere

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14
Q

Miotic spindle is made of these protein structures

A

Microtubules

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15
Q

Phase when the centromere splits

A

Anaphase

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16
Q

Phase during which the nuclear membrane reforms

A

Telophase

17
Q

Name for the division of the cytoplasm

A

Cytokinesis

18
Q

Examples of cells that do not undergo mitosis (for all practical purposes)

A

Red blood cells sperm neuron and cardiac muscle cell

19
Q

Process by which a cell divides into cells with half the number of chromosomes

A

Meiosis

20
Q

Examples of cells that undergo meiosis

A

Cells that become sperm or eggs

21
Q

Chromosomes that code for the same traits

A

Homologous chromosomes

22
Q

Cells that contain homologous chromosomes (two of each)

A

Diploid cells

23
Q

Longest phase in the cell life cycle

A

Interphase

24
Q

Number of centrosomes during prophase

A

Two

25
Q

phase when the nuclear membrane disappears

A

Prophase

26
Q

Phase when the sister chromatids migrate to the opposite end of the cell

A

Anaphase

27
Q

Phase when cytokinesis is occurring

A

Anaphase and telophase

A&P (16 decks)

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