Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology > Chapter 11 Test > Flashcards

Chapter 11 Test Flashcards

1
Q

What events happen during the Anaphase of mitosis?

A

Sister chromatids separate to the poles

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

What is the correct order of the phases of mitosis?

A

PMAT,
Interphase, prophase metaphase, anaphase, telophase, cytokinesis

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

DNA begins to coil into chromosome from during what phase of mitosis?

A

Prophase

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

DNA begins to uncoil into chromatin form during what phase of mitosis?

A

Telophase

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

TRUE OR FALSE
Daughter cells of mitosis are identical to each other

A

TRUE

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

TRUE OR FALSE
Daughter cells of mitosis are identical to the parent cell

A

TRUE

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

In which stage of the cell cycle is DNA in chromatin form and therefore NOT visible?

A

Interphase

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

Cytokinesis happens after which phase

A

Telophase

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

The centrioles are just starting to move apart from each other during what phase?

A

Prophase

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

Sister chromatids are separating to either pole during which phase?

A

Anaphase

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

A cell spends most of its life in this past of the cell cycle

A

Interphase, not dividing

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

Which is the shortest phase of mitosis

A

Metaphase

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

Which is the longest phase of mitosis

A

Prophase

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

The nuclear membrane dissolves during which phase of mitosis

A

Prophase

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

The nuclear membrane reforms during which phase of mitosis>

A

Telophase

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

Why does mitosis occur

A

To make more cells
Because cells get too big for diffusion to work

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

If the parent cell has 46 chromosomes, how many cells will each daughter cell face

A

46

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

If a daughter cells has 46 chromosomes, how many chromosomes will each of its daughter have?

A

46

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

If a parent cell has 19 chromosomes, how many will each cell have after 2 rounds of mitosis

A

19

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

In order to have the same number of chromosomes in daughter cells, who has to occur

A

DNA has to make copies during Interpahse

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

What is totipotent

A

Can differentiate into any type of cell

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

What is apoptosis

A

Programmed cell death

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

What is cyclin

A

Protein that tells a cell when to divide

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

What helps to move chromosomes to the side of the cell

A

Spindle fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What would let you know you were watching a PLANT cell undergo mitosis?
Cell plate
26
Cells undergoing rapid mitosis in cancer form
Tumors
27
Cancer cells cannot control their
Growth rate
28
G1 phase is where ————- occurs
Growth
29
When is chromatin visible in the cell
Interphase
30
Cells divide because they need a bigger what?
Surface area : volume ratio
31
A cell with 34 chromosome will produce a daughter cells with
34
32
This holds sister chromatids together in a chromosome
Centromere
33
DNA is replicated in at this phase
S-phase
34
The movement of two new cells separating is called?
Cytokinesis
35
In this phase, the cell starts to produce materials needed for mitosis later
G2
36
Chromosomes cannot be seen during S-Phase because the chromosome have not yet —-
Condensed
37
Special Proteins called ——- monitor a cell’s health
Cyclins
38
If a cell doesn’t inspection via a cell’s checkpoints, the cell ———
Begins apoptosis
39
What phase is a cell in for the longest period of time
Interphase
40
When a cell develops the ability to ignore it’s checkpoints ——— can result
Cancer
41
If a cell has 45 chromosomes, how many chromosomes will it have after S-phase
45
42
The stages of M-phase is easy to remember because of the acronym?
PMAT
43
44
What factors limit the size of a cell?
The relationship between the surface area:volume
45
What are the advantages and disadvantages of both sexual and asexual reproduction?
Sexual : adv- genetic variation, which helps species adapt to their environment. Dis: requires the extensive production of gametes, and can include parental care that is costly Asexual : Adv - requires on parents and it is fast reproduction. Dis - lack of genetic diversity
46
What are chromosomes?
Structures that contain the cell’s genetic material DNA
47
What is the cell cycle
Series of events that cells go through as they grow and divide
48
Interphase
Time for growth, DNA replication and prep for mitosis
49
Mitosis
Division of the nucleus
50
Which phases of the cell cycle fall under interphase
G1, S, G2
51
Which phase of the cell cycle fall under Mitosis
Prophase, Metaphase, Anaphase, Telophase
52
What happens in the G1 phase
Growth of cell
53
What happens during S phase
Replication of DNA
54
What happens in G2 phase
Preparation for mitosis
55
What happens for M phase
Division of nucleus
56
What happens in Prophase
Nuclear membrane breaks down spindle fiber appear chromatin condense to chromatid chromosomes
57
Metaphase
Chromosomes line up in the middle of
58
What happens in anaphase
Chromatids separate to opposite pole of cell
59
What happens in telophase
Nuclear membrane reforms spindle fibers disappear, chromatid > chromatin
60
What happens during cytokinesis
Division of the cytoplasm forming 2 new cells separating
61
How does mitosis maintain the chromosome number of the original cells when forming new cells?
Replicates during S-phase of Interphase to make sure new daughter cells have proper number of chromosome
62
Name two types of proteins that regulate the cell cycle. How do these proteins work?
Cyclins- promote mitosis (internal) Growth factors - speed up/slow down cell cycle
63
Why is cancer considered a disease of the cell cycle
Cancer results when cells grow and divide uncontrollably. This happens when cell cycle disrupted
64
How might a drug that alter events in mitosis in the cell cycle be useful for treating cancer
It might stop or slow down cancer cells from reproducing and spreading
65
What happens during differentiation
Cells develop from embryonic stem cells into different types of cells that will conduct different tasks in different parts of the body
66
What are stem cells? How are embryonic stem cells different from adult stem cell?
Unspecialized cells that give rise to differentiated cells. Emb.- found in developing embryo + can turn into any cell
67
Why is cell differentiation essential for every complex multicellular organism?
A complex multicellular organism performs many different life functions and tasks. Different kinds of cells perform different functions
68

Biology (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions