From the perspective of the cell receiving the message, the 3 stages of signaling are...?

b. signal reception, transduction, and cellular response

Movement of the chromosomes during anaphase would be most affected by a drug that...?

prevents shortening of the microtubles

An example of a long distance regulator would be...

b. a hormone traveling from the thyroid to other organs

Which of the following is true?

somatic cells are created through mitosis

How do kinetochore microtubles differ from nonkinetochore microtubles?

c. nonkinetochore do not attach on to the chromosomes

One difference between cancer cells and normal cells is that cancer cells....

continue to divide even when they are packed together

The centromere is the region in which...

a. chromatids remain attached to one another until anaphase.

Regarding mitosis and cytokinesis, one difference between cells of plants and animals is....?

plant cells form a cell plate at telophase

Density dependent inhibition is explained by which of the following?

As cell # ^ surface proteins make contact and stop dividing

In cell communication, how is a signal terminated?

b. When the ligand detached from the receptor molecule.

How do daughter cells at the end of mitosis compare with their parent cell when it was in G1?

Daughter cells have the same number of chromosomes/DNA

If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will...?

complete the cell cycle and divide

Through a microscope you see a cell plate beginning to develop across the middle of a cell....

This is a plant cell in the process of cytokinesis

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Cell Cycle and Mitosis

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Bio II Adv

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Questions 30

Answers

1
Which phase do centromeres split, chromatids separate, and chromosomes move to opposite poles?
c. metaphase
a. telophase
b. anaphase
d. prophase
2
DNA is replicated at this time of the cell cycle:
G1
G2
G0
S
3
Starting with a fertilized egg, a series of 5 cell divisions would produce an early embryo with
c. 16 cells
d. 32 cells
a. 4 cells
b. 8 cells
4
From the perspective of the cell receiving the message, the 3 stages of signaling are...?
a. the paracrine, local, and synaptic stages
signal reception, cellular response, and cell division
b. signal reception, transduction, and cellular response
signal reception, nucleus disintegation, cell generation
5
Which term describes centrioles beginning to move apart in animal cells?
d. metaphase
c. telophase
b. anaphase
a. prophase
6
Where do the microtubles of the spindle originate during mitosis?
kinetochore
centrosome
centromere
chromatid
7
Movement of the chromosomes during anaphase would be most affected by a drug that...?
reduces cyclin concentrations
increases cyclin concentrations
prevents elongation of microtubles
prevents shortening of the microtubles
8
My favorite class in the university program is...?
Biology
Psychology
Geometry/Algebra II
Spanish
9
An example of a long distance regulator would be...
d. a protein traveling between cells via gap junctions.
a. a signal traveling from the cytoplasm to the nucleus.
c. a hormone traveling from one cell to a neighboring cell
b. a hormone traveling from the thyroid to other organs
10
An example of a gamete is a _______cell.
leaf
skin
egg
never
11
Which of the following is true?
somatic cells are created through mitosis
gametes are created through mitosis
somatic cells are created through meiosis
gametes cells contain twice as many chromosomes
12
How do kinetochore microtubles differ from nonkinetochore microtubles?
d. nonkinetochore originate at the centrosome
a. They are found in animal cells but not in plant cells
c. nonkinetochore do not attach on to the chromosomes
b. They are found in plant cells but not in animal cells
13
One difference between cancer cells and normal cells is that cancer cells....
do not function because of density dependent inhibition
are stuck at the S phase of the cell cycle
are unable to synthesis DNA
continue to divide even when they are packed together
14
Which of the following is true concerning cancer cells?
When they stop dividing it is at random points in the cycle
All of the above
The do not exhibit density dependent inhibition
They are not subject to cell cycle controls
15
A small molecule that specifically binds to another, usually a larger one is called...
b. a polymer
a. a ligand
d. termination signal receptor
c. a hormone signal
16
The centromere is the region in which...
a. chromatids remain attached to one another until anaphase.
c. chromosomes are grouped during telophase.
b. metaphase chromosomes align at the metaphase plate.
d. the nucleus is located prior to mitosis.
17
Regarding mitosis and cytokinesis, one difference between cells of plants and animals is....?
plant cells do not undergo mitosis
plant cell spindles contain microfibrils and microtubules
plant cells form a cell plate at telophase
sister chromatids differ from one another
18
Cells that are in a nondividing state are in which phase?
G1
G2
G0
S
19
Which of the following does not occur during mitosis?
replication of the DNA
separation of the spindle poles
condensation of the chromosomes
spindle formation
20
Density dependent inhibition is explained by which of the following?
As cell # ^ the level of waste products ^ slowing metabolism
As cell numbers ^ they squeeze and restrict their size
As cell # ^ more enter the S phase of the cell cycle
As cell # ^ surface proteins make contact and stop dividing
21
The somatic cells derived from a single celled zygote divide by which process?
Mitosis
Replication
Meiosis
cytokinesis alone
22
In cell communication, how is a signal terminated?
a. When another ligand attaches to the receptor molecule.
b. When the ligand detached from the receptor molecule.
When the attached ligand sends a stop signal to the receptor
The signal cannot be stopped.
23
How do daughter cells at the end of mitosis compare with their parent cell when it was in G1?
Daughter cells have the same # of chromosomes, but 2X DNA
a. Daughter cells have half the amount of cytoplasm and DNA
Daughter cells have the same number of chromosomes/DNA
b. Daughter cells have half the number of chromosomes/DNA
24
A cell containing 92 chromatids at metaphase would produce 2 nuclei each containing_____?
a. 12 chromosomes
d. 92 chromosomes
c. 46 chromosomes
b. 23 chromosomes
25
If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will...?
exit the cycle and switch to a nondividing state
complete the cell cycle and divide
move directly into telophase
complete cytokinesis and form new cell walls
26
cells of an onion tip under a microscope reveal chromosomes aligned at the equator of the cell
the cell is in telophase
The cell is in metaphase
the cell is in prometaphase
The cell is in anaphase
27
If there are 20 chromatids in a cell, how many centromeres?
d. 80
b. 20
a. 10
c. 30
28
Chromosomes first become visible during which phase of mitosis?
telophase
anaphase
prophase
metaphase
29
Through a microscope you see a cell plate beginning to develop across the middle of a cell....
This is a plant cell in the process of cytokinesis
This is a bacterial cell dividing
This is an animal cell in the process of cytokinesis
This is a plant cell in metaphase
30
Cytokinesis usually follows mitosis. If a cell completed mitosis but not cytokinesis, the cell?
would have a large single nucleus
would have a high concentration of actin and myosin
would have two nuclei
would have half the amount of DNA

Cell Cycle and Mitosis Flashcards | StudBud