Chapter 10 Quiz

Question 1

What happened to cells ratio of surface area to volume as a sales volume increases more rapidly than surface area

Answer 1

The ratio decreases

Question 2

The division of the cell cytoplasm is called…

Answer 2

Cytokinesis

Question 3

The period of growth in between cell divisions is called….

Answer 3

Interphase

Question 4

What are internal regulators

Answer 4

Proteins that respond to events inside the cell

Question 5

The longest phase of mitosis is…

Answer 5

Prophase

Question 6

The division of the cell nucleus during the M phase of the cell cycle is called…

Answer 6

Mitosis

Question 7

How does cytokinesis occur in most animal cells

Answer 7

The cell membrane is drawn inward until the cytoplasm is pinched into 2 about equal parts

Question 8

In eukaryotic cells what are the two main stages of cell division

Answer 8

Mitosis and cytokinesis

Question 9

Cancer cells break loose and spread throughout the…

Answer 9

Body

Question 10

What do cyclins regulate

Answer 10

Timing of the cell cycle in eukaryotic cells

Question 11

The division of the cell nucleus is called…

Answer 11

Mitosis

Question 12

What is cytokinesis

Answer 12

Occurs at the same time as telophase

Question 13

The time period in between cell divisions is called…

Answer 13

Interphase

Question 14

What is the spindle

Answer 14

Fanlike microtubular structure that help separate the chromosomes

Question 15

Cancer cells for masses of cells called…

Answer 15

Tumors

Question 16

Is cancer a disease of the cycle

Answer 16

Yes

Question 17

When chromosomes become visible at the beginning of cell division what does each chromosome consist of

Answer 17

Two identical sister chromatids

Question 18

The chromosomes move until the form two groups near the poles of the spindle
what phase is this

Answer 18

Anaphase

Question 19

Two reasons why cells divide rather than continue to and grow in definitely

Answer 19

It will have trouble moving nutrients and waste across cell membrane’s and there will be an information crisis

Question 20

What happens during the S phase

Answer 20

The replication of chromosomes take place

Question 21

Cancer so don’t respond to signal that regulate…

Answer 21

Growth of most cells

Question 22

What is cell division

Answer 22

The process in which a cell divides into two new daughter cells

Question 23

Interphase is divided into 3 phases

Answer 23

G1, S, G2

Question 24

What happens during the G1 phase

Answer 24

Cells increase in size in make new proteins and organelles

Question 25

A nuclear envelope reforms around each cluster of chromosomes the nucleolus becomes visible in each daughter nucleus What phase is this

Answer 25

Telophase

Question 26

What are the four phases of mitosis

Answer 26

Prophase metaphase anaphase and telophase

Question 27

What happens to cells at the edges of an injury wanna cut in the skin or breaking in a bone occurs

Answer 27

It divides rapidly

Question 28

What form is the midway between the divided nucleus during cytokinesis in plant cells

Answer 28

The cell plate

Question 29

What is the cell cycle

Answer 29

A series of events that cells go through as they grow and divide

Question 30

The chromosomes become visible. The centrioles take up positions on opposite sides of the nucleus What phase is this

Answer 30

Prophase

Question 31

Each pair is chromatids is attached an area called the....

Answer 31

Centromere

Question 32

When a cell increases in size does it make extra copies of it DNA

Answer 32

No

Question 33

What determines the rate at which food and oxygen in the cell are used up and waste products produced

Answer 33

The cells volume

Question 34

The chromosomes line up across the center of the cell | What phase is this

Answer 34

Metaphase

Question 35

What happens to the rapidly dividing cells when the healing process nears completion

Answer 35

Cell division rate slows to normal

Question 36

If a cell grows in size does it’s volume increases much more rapidly than its surface area

Answer 36

Yes

Question 37

What 2 facts are true about external regulators

Answer 37

They direct sales to speed up or slow down the cycle and they include growth factors

Question 38

What are the two tiny structures located in the cytoplasm use a nuclear envelope at the beginning of prophase

Answer 38

Centrioles

Question 39

What is cancer

Answer 39

A disorder in which some of the bodies own cells lose the ability to control their growth

Question 40

What happens in the G2 phase

Answer 40

Many of the organelles and molecules required for cell division are reproduced