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Biology 108 > Chapter 8 > Flashcards

Chapter 8 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

what can function in reproduction, growth and development, and repair and renewal?

A

cell reproduction

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2
Q

What is combined with proteins to form chromatin?

A

DNA molecules

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3
Q

What is the substance of chromosomes?

A

chromatin

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4
Q

What is the life of a cell from the time it is first formed from a dividing parent cell until its own division into two cells?

A

the cell cycle

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5
Q

_______ consists of interphase and mitosis?

A

the cell cycle

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6
Q

when does DNA replicate during the S or synthesis phase of interphase?

A

before cell division (mitosis)

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7
Q

____ consists of two sister chromatids, joined at the centromere

A

duplicated chromosome

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8
Q

what does cell division consist of?

A

mitosis (division of cells) and cytokinesis (division of cytoplasm

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9
Q

What are the four stages of mitosis?

A

prophase, metaphase, anaphase, and telophase

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10
Q

____ is an error in the cell cycle in which a cell gets past a checkpoint and divides uncontrollably and forms a tumor

A

cancer

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11
Q

reproductive cells are called ____ and all other cells are called ____

A

gametes and somatic cells

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12
Q

What are homologous chromosomes?

A

two chromosomes composing a pair, one from the mother and one from the father and have the same characteristics

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13
Q

___ and ___ are the sex chromosomes and they determine an individuals sex

A

x and y

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14
Q

all chromosomes other than sex chromosomes

A

autosomes

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15
Q

where does meiosis occur in males?

A

testes as part of spermatogenesis

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16
Q

where does meiosis occur in females

A

ovaries as part of oogensis

17
Q

_____ reduces the number of chromosomes sets from diploid to haploid by dividing a diploid parent cell into 4 haploid daughter cells in two consecutive divisions

A

meiosis

18
Q

when does DNA replicated during the S or synthesis phase of interphase

A

before meisos and doesn’t replicate again before meiosis II

19
Q

what separates homologous chromosomes?

A

meiosis I

20
Q

what separates sister chromatids?

A

meiosis II

Biology 108 (4 decks)

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