Brainscape's Knowledge GenomeTM

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


See full index

Biology > Meiosis/Mitosis > Flashcards

Meiosis/Mitosis Flashcards

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

Mitosis

A

The process of how diploid cells divide

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

Why must cells perform mitosis

A

To replace old and dying cells

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

Diploid

A

Cells with the complete set of chromosomes for that species

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

Total number of chromosomes humans have

A

46

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

Number of pairs of chromosomes humans have

A

23

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

What cells do during interphase

A

Perform their necessary functions

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

The DNA of a cell is used to create

A

Proteins

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

Red blood cells job

A

Carry oxygen

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

Nerve cells job

A

Send messages to and from the brain

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

Stomach cells job

A

Secrete enzymes to digest your food

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

Chromatin

A

Loose strands of DNA

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

What happens to DNA during the S stage

A

It duplicates-amount doubles

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

Purpose of DNA condensing into chromosomes

A

Easier to move

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

What happens to the nucleus during prophase

A

It dissolves

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

Where do spindle fibers attach when they connect to the chromosomes

A

The centromere

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

What happens to the chromosomes during metaphase

A

Pulled to the equator of the cell

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

What are the 2 halves of chromosomes called

A

Chromatids

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

What happens to the chromosomes during anaphase

A

The chromatids are pulled apart by the spindle fibers

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

Cytokinesis

A

Where the cytoplasm splits

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

Chromatids are unwound into loose strands called

A

Chromatin

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

What grows during telophase

A

The nucleus

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

What is created by mitosis

A

Another diploid cell

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

Somatic

A

Non-sex cells that divide by mitosis

23
Q

3 examples of somatic cells

A

Muscle cells
Nerve cells
Stomach cells

24
Q

2 cells not created by mitosis

A

Sperm and egg cells

25
Q

Meiosis

A

The process for making haploid cells

26
Q

Haploid

A

Cells that contain only half the number of chromosomes for that species

27
Q

Number of chromosomes human haploid cells possess

A

23

28
Q

Gamete

A

Sex cells such as sperm/egg

29
Q

Another name for the egg cell

A

Ovum

30
Q

Diploid cells that go through meiosis

A

Germ cells

31
Q

Where are germ cells found in males? Females?

A

Testes, ovaries

32
Q

What happens to the nucleus in prophase 1

A

It dissolves

33
Q

What happens to chromosomes during synapsis

A

Matching chromosomes are pulled next to each other

34
Q

Tetra is a prefix that means

A

Four

35
Q

A tetrad is made from

A

4 chromatids

36
Q

What causes small portions of chromosome to break during crossing over

A

Enzymes

37
Q

Why is crossing over important

A

It recombined DNA into new traits-creates genetic diversity

38
Q

(Metaphase 1) Tetrad are pulled to the

A

Equator

39
Q

What happens to tetrads during anaphase 1

A

Spindle fibers pull them apart

40
Q

What re grows during telophase 1

A

The nucleus

41
Q

What process divides the cell

A

Cytokinesis

42
Q

What is the purpose of meiosis

A

Reduce the amount of DNA in the gametes by half

43
Q

2 things that happen in prophase 2

A

Spindle fibers are formed

Nuclei dissolves again

44
Q

Where do chromosomes end during metaphase 2

A

The equator of each cell

45
Q

What happens to chromosomes during anaphase 2

A

They get pulled apart by spindle fibers

46
Q

What process splits the 2 cells into 4 cells

A

Cytokinesis

47
Q

What will regrow (telophase 2)

A

The nucleus

48
Q

DNA uncoils/unwinds into strands called

A

Chromatin

49
Q

In which event are chromosomes paired with one another

A

Synapsis

50
Q

The loose linear strands of DNA are known as

A

Chromatin

51
Q

Meiosis does NOT make

A

Diploid cells

52
Q

During which event will chunks of one chromosome break away and connect to another chromosome

A

Crossing over

53
Q

Which cell would be created by meiosis

A

Ovum cell

54
Q

When does synapsis and crossing over happen during meiosis

A

Prophase 1

55
Q

In relation to meiosis what are germ cells

A

Cells that undergo meiosis

Biology (8 decks)

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