CHapter 10

Question 1

Larger a cell becomes the

Answer 1

more demands cell places on its DNA

Question 2

As cell size increases

Answer 2

it’s volume grows faster than surface area

Question 3

Increased cell size causes

Answer 3

decreased amount of cell membrane

Question 4

Ratio of surface area to volume

Answer 4

decreases as cell gets larger

Question 5

Process by which a cell divides into 2new daughter cells-reduces cell volume

Answer 5

cell division

Question 6

Before cell division occurs…

Answer 6

DNA mustbe copied or replicated first

Question 7

Produces genetically identical organisms
occurs in many single celled organisms
allows rapid reproduction of organisms

Answer 7

Asexual Reproduction

Question 8

the production of new organisms by combination of genetic information

Answer 8

Sexual Reproduction

Question 9

Genetic info is bundled into packages of DNA called

Answer 9

chromosomes

Question 10

Genetic info that is passed on from 1 generation of cells to the next

Answer 10

chromosomes

Question 11

What makes it possible to separate DNA precisely during division

Answer 11

chromosomes

Question 12

Series of events that cells go through as they grow and divide

Answer 12

Cell Cycle

Question 13

Consists of a Single circular strand of DNA

Answer 13

Prokaryotic chromosome

Question 14

Are highly organized structures

Answer 14

Eukaryotic chromosomes

Question 15

The DNA winds around histone proteins, forming

Answer 15

Chromatin

Question 16

In the Prokaryotic cell cyle

Answer 16

the cell grows, duplicates its DNA and divide by pinching in the cell membrane.

Question 17

Eukaryotic cell cycle has ________ stages( the first 3 which is referred to as________

Answer 17

4 interphase

Question 18

Eukaryotic cell cycle

Answer 18

G, S, G2 and M

Question 19

In the G phase

Answer 19

the cell grows

Question 20

in the s phase

Answer 20

the cell replicates its DNA

Question 21

In the G2 phase

Answer 21

the cell produces organelles and materials for division

Question 22

In the M phase

Answer 22

the cell divides in 2 stages -mitosis and cytokinesis

Question 23

Interphase

Answer 23

period of growth and cell then prepares for division

Question 24

M phase is 4 stages

Answer 24

prophase
interphase
anaphase
telophase

Question 25

genetic material in nucleolus condenses and duplicated chromosomes become visible (outside nuclous, spindle starts to form)

Answer 25

Phophase

Question 26

proteins that stimulate growth/divison of cells signals

Answer 26

growth factors

Question 27

Programmed cell death (key role in shaping structure of tissue/organs removes old damage cells

Answer 27

Apoptosis

Question 28

cancer

Answer 28

bodys cells loose ability to control growth-disease or lack of homeostasis of cell cycle

Question 29

cancer cells

Answer 29

do not respond to signals that regulate growth and divide uncontrollably

Question 30

tumor that does not spread to rest of body

Answer 30

benign

Question 31

tumor that spreads and invades healthy tissues

Answer 31

malignant

Question 32

malignant skin cell cancer (heavy exposure to sun uv light)

Answer 32

carcinoma

Question 33

Developmental stage from which an organism is gradually produced-begin as 1 cell

Answer 33

embryo

Question 34

cells become specialized

Answer 34

Differentiation

Question 35

During differentiation, cells turn

Answer 35

into various types

Question 36

Adults reach point in which differentiation is

Answer 36

complete

Question 37

fertilized cell between 1 egg nd 1 sperm

Answer 37

Zygote 23+23=46

Question 38

unspecified cells from which differentiated cells develop found in embryo

Answer 38

stem cells

Question 39

proteins that regulate the timing of cell cycle in eukaryotic

Answer 39

cyclins

Question 40

a fertilized egg and the first few cells in an embryo are able to form many kind of cell and tissue. Such a cell is termed

Answer 40

totipotent

Question 41

AN embryonic stage that consists of a hollow ball of cells. These cells are able to become any type of body cell

Answer 41

blastocyst

Question 42

adult stem cells are

Answer 42

multipotent