Biology Cell Cycle and Mitosis Unit

Question 0

What is interphase?

Answer 0

Non-dividing part of the cell cycle

Question 1

What is the cell cycle?

Answer 1

Repeating steps of events in the life of a cell

Question 2

G1, S, and G2 are all apart of what process?

Answer 2

Interphase

Question 3

What are the five steps of cell division?

Answer 3

Prophase, metaphase, anaphase, telophase, cytokinesis

Question 4

What happens in G1?

Answer 4

Gap of time, cell grows and matures to size

Question 5

What happens in S?

Answer 5

Synthesis of DNA; exact copy of all DNA in the nucleus

Question 6

What happens in G2?

Answer 6

Gap of time, cell prepares for cell division

Question 7

What happens in prophase, metaphase, anaphase, and telophase?

Answer 7

Division of the nucleus

Question 8

What happens in cytokinesis?

Answer 8

Division of the cytoplasm

Question 9

What is the cell cycle controlled by?

Answer 9

Proteins

Question 10

How do multicellular organisms grow?

Answer 10

Making more cells

Question 11

Where do new cells come from?

Answer 11

Pre-existing cells

Question 12

What are new cells used for?

Answer 12

Growth or repair of damaged tissues

Question 13

What is cell reproduction called?

Answer 13

Cell division

Question 14

What is cell division?

Answer 14

Process by which cells produces offspring cells

Question 15

What are offspring cells also called?

Answer 15

Daughter cells

Question 16

How many cells are prduced every second in humans?

Answer 16

25 million

Question 17

How long is the cell cycle?

Answer 17

The length is different from one cell to another

Question 18

When does cancer occur?

Answer 18

When cells grow uncontrollably

Question 19

What is a tumor?

Answer 19

Swelling of a part of the body caused by an abnormal growth of tissues

Question 20

What is benign?

Answer 20

Not harmful in effect, in a particular tumor

Question 21

What is metastasize?

Answer 21

Spread to other sites in the body by metastasis

Question 22

What is cancer?

Answer 22

Disease caused by an uncontrolled division of cells in the body

Question 23

What is the best kind of cancer?

Answer 23

Benign

Question 24

What can be used to treat cancer?

Answer 24

Radiation and chemotherapy

Question 25

What is a byproduct of broken DNA?

Answer 25

Cancer

Question 26

How do you know when a cell is getting ready to divide?

Answer 26

DNA is organized

Question 27

How do you know when a cell is not about to divide?

Answer 27

The DNA is not organized

Question 28

What are chromotids?

Answer 28

Identical copy of each other; seperate when one cells divides into two

Question 29

What are histones?

Answer 29

Protein DNA that wraps around to stay organized

Question 30

What is a centromere?

Answer 30

The center part where the two chromosomes connect

Question 31

What is a chromosome?

Answer 31

Threadlike nucleic acids and protein found in the nucleus of cells

Question 32

What is contained in the nucleus?

Answer 32

Chromosomes

Question 33

What is prophase?

Answer 33

1. First and longest step of mitosis 2. Shortening and tight coiling of DNA into chromosomes 3. Nucleus and nuclear membranr breakdown disappear

Question 34

What is metaphase?

Answer 34

1. Second stage of mitosis 2. Chromosomes line up along the midline of dividing cells 3. Held by kinetochore fibers

Question 35

What is anaphase?

Answer 35

1. Third stage of mitosis 2. Seperation at the centromere 3. Chromotids move towards opposite poles of the cell 4. Considered individual chromosomes

Question 36

What is telophase?

Answer 36

1. Fourth stage of mitosis 2. Chromosomes reach opposite poles of the cell 3. Nuclear envelope and cleavage furrow forms

Question 37

What is mitosis?

Answer 37

Division of the nucleus of the cell

Question 38

What is spindle?

Answer 38

Football-shaped, cage like structure made of microtubes

Question 39

What seperates sister chromatids during mitosis?

Answer 39

Spindle

Question 40

What happens in the cell division of animals?

Answer 40

1. Pinching inward 2. Center of the cell 3. "Cleavage form"

Question 41

What happens in the cell division of plants?

Answer 41

1. No pinching 2. Cell plate forms center of cells 3. Cell walls form on each side of the plate

Question 42

What happens to a cell in cell division?

Answer 42

It becomes two genetically identical cells

Question 43

How large are the daughter cells?

Answer 43

About half the size of parent cells; still grow during metaphase

Question 44

Does cell division occur in multicellular organisms or unicellular organisms?

Answer 44

Both

Question 45

What is the purpose of cell division?

Answer 45

Growth and repair

Question 46

Is interphase a cell division stage?

Answer 46

No

Question 47

What is the longest stage of cell division?

Answer 47

Interphase

Question 48

What is the process in which prokaryotic cells divide?

Answer 48

Binary fission

Question 49

Which phase do chromotids seperate to become chromosomes?

Answer 49

Anaphase

Question 50

Is cytokinesis animal cell involved or plant cell?

Answer 50

Animal

Question 51

What is created in plant cells when vesicles join?

Answer 51

Cell plate

Question 52

What happens in cytokinesis took place before mitosis?

Answer 52

DNA would not be organized and similar

Question 53

What phase is chromosomes more difficult to see?

Answer 53

Interphase

Question 54

Dark, solid nucleus

Answer 54

Interphase

Question 55

Grainy, "stringy" nucleus

Answer 55

Prophase

Question 56

"Spidery" structure in the center

Answer 56

Metaphase

Question 57

Chromotids spreading

Answer 57

Anaphase

Question 58

One cell, 2 nuclei

Answer 58

Telophase

Question 59

Light shade; showing of cell plate

Answer 59

Cytokinesis