Cell Cycle and Mitosis(packet thing)

Question 1

What is meant by the cell cycle or cell division cycle?

Answer 1

Series of events that occur in a eukaryotic cell between its formation and replication.

Question 2

What are the two main phases of the cell cycle?

Answer 2

The inter phase and the mitotic phase

Question 3

What is the phase between times when a cell is dividing

Answer 3

Interphase

Question 4

What is occurring in a cell during interphase?

Answer 4

carrying out normal, metabolic, function.

Question 5

What is occurring in a cell during mitosis phase?

Answer 5

Cell division

Question 6

Name three things that form during cell cycle

Answer 6

Hair, skin, blood cells.

Question 7

What process never occurs in interphase?

Answer 7

cell division

Question 8

What do cells copy during interphase

Answer 8

Their chromatids

Question 9

Where are chromatids found?

Answer 9

nucleus

Question 10

In what phase do most cells spend their lifetime?

Answer 10

interphase

Question 11

How often do human skin cells divide each day

Answer 11

once a day

Question 12

How many hours per day is a human skin cell in interphase

Answer 12

22hrs

Question 13

What type of cell may spend decades in interphase instead of dividing?

Answer 13

nerve cell

Question 14

What are the three stages of interphase

Answer 14

G1, S phase, and G2

Question 15

What is G1

Answer 15

Growth 1- cell creates organelles and starts metabolism

Question 16

What is S stage

Answer 16

DNA synthesis and chromosomes copied

Question 17

What is G2

Answer 17

Cell growth in preperation for division

Question 18

What stage of the cycle do cells sometimes exit?

Answer 18

G1

Question 19

what is G0?

Answer 19

Cells are alive and metabolically active but do not divide.

Question 20

Examples of G0

Answer 20

Heart, eye and brain cells (unable to be replaced)

Question 21

What is cytokinesis

Answer 21

division of the cytoplasm

Question 22

what stage occurs after cytokinesis

Answer 22

G1

Question 23

What are these two new cells called?

Answer 23

daughter cells- identical

Question 24

What cell structures are made in G1

Answer 24

organelles

Question 25

Why is there a great amount of protein synthesis occuring during G1

Answer 25

because proteins and enzymes are being made

Question 26

What does s phase stand for

Answer 26

Synthesis phase

Question 27

What happens during s phase

Answer 27

replication

Question 28

How do each of the DNA molecules appear in the cromosome

Answer 28

1 DNA double Helix

Question 29

At the end of S phase each chromosome has how many coiled Dna molecules?

Answer 29

2

Question 30

What structure holds the duplicated chromosomes together and is also copied during S phase

Answer 30

Centrosome

Question 31

What is the final and shortest phase of interphase

Answer 31

G2

Question 32

How long would a typical cell be in G2 phase

Answer 32

4-5 hrs

Question 33

How is cell prepared for mitosis in g2

Answer 33

Growth and Enzymes are produced

Question 34

What follows the g2 phase

Answer 34

mitosis

Question 35

What part of the cell is dividing in mitosis

Answer 35

Nucleus+ Dna

Question 36

What is another name for mitosis

Answer 36

karyokinesis

Question 37

When are chromosomes duplicated?

Answer 37

during mitosis

Question 38

What process follows mitosis?

Answer 38

cytokinises

Question 39

What process is used by bacteria to divide and reproduce?

Answer 39

binary fission

Question 40

What are the names of body and reproductive cells

Answer 40

Somatic= body germ= reproductive

Question 41

Name the 4 mitotic stages

Answer 41

Prophase, metaphase, anaphase, telophase.

Question 42

What is unique about genetic material during interphase?

Answer 42

its called chromatin and it is not clearly visible

Question 43

What makes chromosomes become visible during propase?

Answer 43

condensation and coiling

Question 44

What stage are sister chromatids sperated and move to opposite ends?

Answer 44

Anaphase