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Biology > Chapter 8 > Flashcards

Chapter 8 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What does sexual reproduction require that asexual reproduction doesn’t?

A

Sperm or egg

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2
Q

Cellular reproduction involves what two important processes?

A

Growth and cell division

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3
Q

The process in which the cell duplicates it’s contents (including DNA and organelles)

A

Growth

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4
Q

The process in which the parent cell contents divides into two daughter cells

A

Cell division

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5
Q

The copying of DNA

A

DNA replication

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6
Q

What is DNA packaged into?

A

Chromosomes

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7
Q

DNA and associated proteins that have the appearance of thin threads

A

Chromatin

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8
Q

In chromatin the protein molecules are ______, and each bead is called a ______

A

Histones; nucleosome

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9
Q

The 2 identical halves of a duplicated chromosome

A

Sister chromotids

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10
Q

The constricted region that holds the sister chromatids together

A

Centrosome

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11
Q

How many pairs of chromosomes does a human cell contain

A

23

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12
Q

How many chromosomes total does a human cell contain

A

46

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13
Q

Orderly sequence of stages that takes place between the time a new cell has arisen to the point where it gives rise to two daughter cells

A

Cell cycle

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14
Q

What are the three stages of the cell cycle

A

Interphase, mitosis, and cytokinesis

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15
Q

Time when a cell performs its usual functions

A

Interphase

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16
Q

What are the three stages that happen during interphase

A

G1, S-DNA synthesis, and G2

17
Q

Stage in interphase before DNA replication; accumulates materials for DNA synthesis; makes decision whether to divide or not

A

G1

18
Q

Stage in mitosis that does DNA synthesis

A

S

19
Q

Stage in interphase following DNA synthesis; synthesizes proteins needed for cell division

A

G2

20
Q

How many chromosomes total does a human cell contain

A

46

21
Q

Orderly sequence of stages that takes place between the time a new cell has arisen to the point where it gives rise to two daughter cells

A

Cell cycle

22
Q

What are the three stages of the cell cycle

A

Interphase, mitosis, and cytokinesis

23
Q

Time when a cell performs its usual functions

A

Interphase

24
Q

What are the three stages that happen during interphase

A

G1, S-DNA synthesis, and G2

25
Q

Stage in interphase before DNA replication; accumulates materials for DNA synthesis; makes decision whether to divide or not

A

G1

26
Q

Stage in mitosis that does DNA synthesis

A

S

27
Q

Stage in interphase following DNA synthesis; synthesizes proteins needed for cell division

A

G2

Biology (7 decks)

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