Which of the following explains why normal cells covering a petri dish tend to stop growing?

contact with other cells stops cell growth

Which diagram shows cancer cells and why?

A, b/c the cells are dividing despite contact inhibition

What is the correct structure & function of letter B in the diagram?

spindle fibers - help divide chromosomes

Compared to small cells, large cells have more trouble

moving needed materials in and waste products out

An advantage of asexual reproduction over sexual reproduction is

all organisms survive in a stable environment

In the picture below, what role does structure A play in mitosis?

help the cell to divide and organize the spindle

The rate at which wastes are removed by a cell partially depends on the cell's

ratio of surface area to volume

What is the difference between chromatids and chromatin?

chromatin is useable, unwound DNA

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Duplicate of Cell Reproduction College Prep

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Chapter 10 Review Miller and Levine #biology #mitosis #cancer #celldifferentiation #stemcell

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Questions 15

Answers

1
Cancer affects
Multicellular and unicellular organisms
Multicellular organisms only
Humans only
Unicellular organisms only
2
Which of the following explains why normal cells covering a petri dish tend to stop growing?
contact with other cells stops cell growth
most cells grown in petri dishes have a defective p53 gene
the cells lack cyclin
the petri dish inhibits cell growth
3
What is cell differentiation?
Cells remaining unspecialized and keep dividing
Cells becoming specialized
Skin cells turning into stem cells
Cells undergoing cell division
4
Which diagram shows cancer cells and why?
A, b/c the cells are very large
A, b/c the cells are dividing despite contact inhibition
B, b/c the cells are dividing despite contact inhibition
B, b/c the cells are uniform
5
Embryonic stem cells have the potential to do which of the following?
Produce nerve cells/neurons to help a person w/ paralysis
treat diseases like diabetes and Parkinson's
All of the above
Repair damaged organs like livers and hearts
6
What is the correct structure & function of letter B in the diagram?
chromosomes - hold DNA/genes
Centrioles - make spindles
spindle fibers - help divide chromosomes
centromere - hold chromatids together
7
Name the phase of mitosis shown below.
anaphase
prophase
metaphase
telophase
8
Compared to small cells, large cells have more trouble
producing daughter cells
storing needed materials and waste products
moving needed materials in and waste products out
dividing
9
If cells are removed from tissue, then new cells later fill in that space, it's an example of
surface area: volume ratio rule
carcinogenic exposure
contact inhibition
Random cell mutations
10
Which event occurs during Interphase?
DNA duplicates
Spindle fibers begin to form
Centromeres divide
The cytoplasm divides
11
An advantage of asexual reproduction over sexual reproduction is
all organisms survive in a stable environment
organisms spend energy finding a mate
all organisms survive in a changing environment
all organisms show a variety of traits
12
In the picture below, what role does structure A play in mitosis?
help the cell to divide and organize the spindle
replicate DNA
increase cell volume
dissolve the nuclear envelope
13
The rate at which wastes are removed by a cell partially depends on the cell's
type of membrane
ratio of surface area to volume
DNA
mutations
14
In the figure shown below, what is structure A?
Golgi apparatus
nucleus
centrioles
spindle fibers
15
What is the difference between chromatids and chromatin?
chromatids are useable, unwound DNA
chromatin is the condensed form of DNA for division
There are 4 chromatids in one chromosome
chromatin is useable, unwound DNA

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