The Cell Cycle And Cellular Reproduction

Question 1

Animal cells have centrioles, what cells don’t?

Answer 1

Plant cells

Question 2

Mitosis allows growth and increase size in both?

Answer 2

Plant and animals

Both plant and animal cells undergo cytokinesis.

Question 3

Mitosis creates diploid cells from??

Answer 3

Diploid cells

Question 4

The term that refers to division of the cytoplasm is?

Answer 4

Cytokinesis

Question 5

Cancer cells require lots of nutrients, which are supplied by blood vessels. The growth of new blood vessels to cancerous cells is called ??

Answer 5

Angiogenesis

Question 6

How many chromosomes are in each bacterial cell?

Answer 6

Only one

Question 7

A bacterial chromosome is present in a ?

Answer 7

Single copy per cell

Question 8

A bacterial chromosome is attached to the?

Answer 8

Plasma membrane

Question 9

A bacterial chromosome is in a?

Answer 9

Loop

Question 10

Virtually all specialised cells of multicellular organisms have the same amount of?

Answer 10

DNA and the same number of chromosomes as all other cells of the organism

Question 11

The term used for DNA in a nucleus before it becomes condensed in preparation for mitosis is?

Answer 11

Chromatin

Question 12

Each chromosome separates into daughter chromosome by?

Answer 12

Binary fusion

Question 13

In prokaryotes the chromosome is held in a region called the??

Answer 13

The nucleoid

Question 14

Chromosomes contain both?

Answer 14

DNA and associated Histones

Question 15

Chromosomes condense from ?

Answer 15

Chromatin at the start of mitosis

Question 16

Chromosomes disperse back into chromatin at the end of??

Answer 16

Mitosis

Question 17

Chromosomes are not located within the??

Answer 17

Nuclear envelope during mitosis

Question 18

The Diploid (2n) number of chromosome for humans is??

Answer 18

46

Question 19

The haploid (n) number of chromosomes for humans is?

Answer 19

23

Question 20

Mitosis is a process that duplicates and divides only what?

Answer 20

Only the nuclear contents

Question 21

Mitosis produces two daughter cells that contain the same number of?

Answer 21

Chromosomes as the parent cell

Question 22

What is the correct sequence of stages in the cell cycle?

Answer 22

G1
S
G2
M

Question 23

Below the skin are stem cells that divide, with some cells continuing the stem cell line and others being pushed toward the surface to?

Answer 23

Flatten and die and be sloughed off.

Question 24

In bone marrow are other stem cells producing cells such as the erythrocytes that lose their nucleus and function for a few months in the blood stream before they too die, such “dead end” cells that reproduce no further… Leave the…..?

Answer 24

Cell cycle in a G0 phase, which immediately follow telophase

Question 25

The critical checkpoints that control the cell cycle are at the?

Answer 25

G1 to S stage and G2 to M phase

Question 26

During which stage of the cell cycle is cell growth and replication of organelles most significant ?

Answer 26

G1 Phase

Question 27

Which stage is most associated with a cell that is unable to divide again, such as a muscle or nerve cell?

Answer 27

The G0 phase

Question 28

What is the correct sequence of stages of mitosis?

Answer 28

``` Prophase Pro metaphase Metaphase Anaphase Telophase ```

Question 29

What occurs in metaphase ?

Answer 29

Chromosomes line up along the equator of the dividing cell

Question 30

What occurs in anaphase ?

Answer 30

Chromosomes move to opposite poles

Question 31

In multicellular organisms, mitosis is a means of?

Answer 31

Tissue growth and repair

Question 32

Apoptosis refers to cell death and can be?

Answer 32

Programmed and is essential to normal development

Question 33

Most of the cell cycle is spent in ?

Answer 33

Interphase

Question 34

Apoptosis is?

Answer 34

- programmed cell death - is a process that acts to decrease the number of somatic cells - works to oppose the effects of mitosis - is necessary for the proper development of an embryo

Question 35

Each Eukaryotic chromosomes.......??

Answer 35

- consists of both DNA and protein - contains Histones responsible for packaging DNA to fit into a small space - come in pairs in most organisms -

Question 36

Chromosomes like )( | typically appear in which stage of the cell cycle ??

Answer 36

Late prophase and metaphase

Question 37

The chromosome is only highly coiled during what phase?

Answer 37

During mitosis

Question 38

Each half of the chromosome will split from the other at ?

Answer 38

During anaphase