Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

biology > Mitosis/miosis > Flashcards

Mitosis/miosis Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

Cytokinesis is the division of the cytoplasm

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Cell division is basically the same in prokaryotic and eukaryotic cells

A

F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Mitosis is the process in which the nucleus of the cell divides

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

DNA replication results in identical chromosomes

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A cell spends most of its life in growth phase 1 of the cell cycle

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The S checkpoint just before the entry into S-phase makes the key decision of whether the cell should divide

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The correct order of phases of the cell cycle is G1 S G2 M

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Interface consists of mitosis and cytokinesis

A

F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

In prokaryotic cells all organelles such as the Golgi apparatus and endoplasmic reticulum divide prior to cell division

A

F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Bacteria divide cells by binary fusion

A

F binary fission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A mass of abnormal cells is called a tumor

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Organelles are made during growth phase 2

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

In your eukaryotic cells DNA is replicated during the S-phase of the cell

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

If the cell is not regulated cancer may develop

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Mitosis occurs in both prokaryotic and eukaryotic cells

A

F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the cell cycle?

A

Repeating series of events including growth, DNA synthesis and cell division

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the phases of the eukaryotic cell cycle

A

Mitosis phase, interphase ( G1 S G2 )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

In which phase does cell spend most of its life? What happens during this phase?

A

G one – grows rapidly, copy some organelles for cell division, creates proteins needed to make DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is cancer? What may cause cancer to occur?

A

Disease – occurs when cell cycle is no longer regulated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the S phase? What happens during this phase?

A

Synthesis face – cell’s DNA is copied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which cells undergo cell division?

A

Eukaryotic cells only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Cell division in eukaryotic cells is a complex process because of

A

The multiple chromosomes, the nucleus, the many organelles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Most routine metabolite processes occur during which phase of the cell cycle?

A

Growth phase 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The correct order of prokaryotic cell division is

A

DNA replication – chromosome segregation – cytokinesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which cell cycle checkpoint determines whether the DNA has been replicated correctly?

A

The DNA synthesis checkpoint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What happens during mitosis?

A

The nucleus of the cell divides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Cell division in prokaryotic cells is called

A

Binary fission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The process in which one cell divides to form two daughter cells

A

Cell division

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

The process in which all of the nuclear DNA is copied

A

DNA replication

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

A repeating series of events that describes the life of the cell

A

Cell cycle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Phase of the cell cycle that includes the G1 S and G2 phases

A

Interphase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The process by which bacterial cells divide

A

Binary fission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Phase of the cell cycle in which the cells DNA is copied

A

Synthesis phase , s phase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Occurs when the cell cycle is no longer regulated

A

Cancer

34
Q

Phase of the cell cycle in which the cell grows rapidly and performs many metabolic processes

A

G 1

35
Q

Phase of the cell cycle in which a cell makes final preparations to divide

A

G2

36
Q

Division of the cytoplasm resulting into daughter cells

A

Cytokinesis

37
Q

An abnormal mass of cells

A

Tumor

38
Q

The process in which the nucleus of the cell divides

A

Mitosis

39
Q

The cell cycle is controlled by regulatory ________ at three key checkpoints

A

Genes

40
Q

And eukaryotes the first step on cell division is _______ and the second step is cytokinesis

A

Mitosis

41
Q

Chromosome ________ refers to the two chromosomes separating and moving to opposite ends of the cell

A

Segregation

42
Q

________ in the cell cycle ensure that the cell is ready to proceed before it moves on to the next phase of the cycle

A

Checkpoints

43
Q

During mitosis the ______ are sorted and separated to ensure that each daughter cell receives a complete set

A

Chromosomes

44
Q

Describe the eukaryotic cell cycle listing and discussing the main events of each phase

A

G1 – cell growth, metabolic process, produces proteins
S – DNA is copied
G2 – final preparations to divide
M– mitosis and cytokinesis – divides

45
Q

What is a chromosome? What is it made out of?

A

Coiled structure made of DNA

46
Q

What are homologous chromosomes? How many homologous pairs are in a human cell?

A

Chromosomes in each pair, 23

47
Q

Why do chromosomes look like an “X”?

A

Made of two sister chromatids

48
Q

What is the main difference between chromatin and chromosomes

A

Chromatin is an uncoiled chromosome which is a grainy substance

49
Q

What is a Gene?

A

Instructions for making proteins organized into units

50
Q

Why is it necessary for the DNA to replicate prior to sell division ?

A

So that each daughter cell will have 46 homologous chromosomes

51
Q

Chromosomes form during what part of the cell cycle?

A

Prophase of mitosis

52
Q

The correct order of phases during mitosis is

A

Prophase – metaphase – anaphase – telophase

53
Q

How many chromosomes are normal human cell?

A

46

54
Q

When do sister chromatids lineup at the equator of the cell?

A

Metaphase

55
Q

Which of the following statements concerning cytokinesis is correct? (1) cytokinesis occurs in both prokaryotes and eukaryotes, (2) cytokinesis is when the cytoplasm splits into, (3) in plant cells cytokinesis involves the formation of the cell plate

A

1, 2 and 3

56
Q

During which phase of mitosis do the sister chromatids separate?

A

Anaphase

57
Q

Division of the nucleus

A

Mitosis

58
Q

Region of the chromosome where sister chromatids are attached

A

Centromere

59
Q

Phase of mitosis in which spindle fibers attached to the centromere of each pair of sister chromatids

A

Metaphase

60
Q

Coiled structures of DNA and proteins

A

Chromosome

61
Q

Phase of mitosis in which sister chromatids separate and the centromere’s divide

A

Anaphase

62
Q

A segment of DNA with the genetic the instructions to make a protein

A

Gene

63
Q

Two copies of replicated DNA that make a chromosome

A

Chromatid

64
Q

The first and the longest phase of mitosis

A

Prophase

65
Q

Uncoiled DNA

A

Chromatin

66
Q

Phase of mitosis in which the chromosomes begin to uncoil and form chromatin

A

Telophase

67
Q

A pair of the same chromosome

A

Homologous chromosomes

68
Q

Chromosomes are quiet structures made of _____ and proteins

A

DNA

69
Q

______ is the division of the nucleus

A

Mitosis

70
Q

During ______sister chromatids lineup at the equator or center of the cell

A

Metaphase

71
Q

There maybe hundreds or even thousands of genes on a single_______

A

Chromosome

72
Q

During anaphase sister _______ separate and the centromeres divide

A

Chromatids

73
Q

The four phases of mitosis in order are

A

Prophase – metaphase – anaphase – telophase

74
Q

Human cells normally have ________ chromosomes

A

Homologous

75
Q

A new nuclear membrane forms during _______

A

Telophase

76
Q

A _________ fibers ensure that sister chromatids will separate when the cell divides

A

Spindle

77
Q

When a chromosome first forms that she consists of two sister _______

A

Chromatids

78
Q

Define meiosis

A

Cell division in which number of chromosomes is reduced by half

79
Q

Is the DNA replicated after meiosis I? Why or why not?

A

No supposed to be reduced by half

80
Q

Describe the main difference between metaphase I and metaphase II

A

Metaphase II sister chromatids lineup instead

81
Q

State the phase where each of the following processes occur (a) sister chromatids separate (b) homologous chromosomes form pairs and (c) two haploid cells form

A

A) anaphase II
B) prophase I
C) telophase I, cytokinesis

82
Q

What is the final product of meiosis?

A

4 haploid cells

biology (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions