Chapter 10 Flashcards

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1
Q

Cell Division

A

Process by which a cell divides into two new daughter cells

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2
Q

Asexual Reproduction

A

Process of reproduction involving a single parent that results in offspring that are genetically identical to the parent

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3
Q

Sexual Reproduction

A

Fusion of two parent cells.

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4
Q

Chromosomes

A

Threadlike structures of DNA and protein that contain genetic information; in eukaryotes, chromosomes are found in the nucleus, in prokaryotes, they are found in the cytoplasm

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5
Q

Chromatin

A

Substance found in eukaryotic chromosomes that consists of DNA tightly coiled around histones

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6
Q

Cell Cycle

A

Series of events in which a cell grows, prepares for division, and divides to form two daughter cells

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7
Q

Interphase

A

“Inbetween period of growth”

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8
Q

Cytokinesis

A

Division of the cytoplasm to form two separate daughter cells

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9
Q

Chromatid

A

One of the two identical “sister” parts of a duplicated chromosome

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10
Q

Prophase

A

first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become viable

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11
Q

Centromere

A

region of the chromosome where the two sister chromatids attach

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12
Q

Centrioles

A

structure in an animal cell that helps to organize cell division

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13
Q

Metaphase

A

phase in mitosis in which the chromosomes line up across the center of the cell

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14
Q

Anaphase

A

Phase in mitosis in which the chromosomes separate and move to opposite ends of the cell

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15
Q

Telophase

A

Final phase, chromosomes spread out snd dangle in chromatin

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16
Q

Mitosis

A

Process of division of the cell nucleus

17
Q

Cyclin

A

One of a family of proteins that regulates the cell cycle in eukaryotic cells

18
Q

Growth Factors

A

Stimulate growth and division of cells

19
Q

Apoptosis

A

Process of programmed cell death

20
Q

Cancer

A

Disorder in which some of the body’s cells lose the ability to control growth

21
Q

Tumor

A

Mass of rapidly dividing cells that can damage surrounding tissue

22
Q

Embryo

A

developing stage of a multicellular organism

23
Q

Differentiation

A

Process in which cells become specialized in structure and function

24
Q

Totipotent

A

Cells that are able to develop into any type of cell found in the body (including the cells that make up the extraembryonic membranes and placenta)

25
Q

Blastocyst

A

Stage of early development in mammals that consists of a hollow ball of cells

26
Q

Pluripotent

A

Cells capable f developing into most of yhe bodys cell types

27
Q

Stem Cells

A

Unspecialized cell that can give rise to one or more types of specialized cells

28
Q

Multipotent

A

Cell with limited potential to develop into many types of differentiated cells