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Warm-Up: Cell Growth & Reproduction

 1. 
Which statement describes the chromosome shown in Figure 5.2?

mc001-1.jpg
a.
It is made up of two centromeres.
b.
It is made up of two chromatids.
c.
It is made up of two telomeres.
d.
It is made up of two histones.
 

 2. 
During interphase a cell grows, duplicates organelles, and
a.
copies DNA.
b.
divides the nucleus.
c.
produces a new cell.
d.
divides the cytoplasm.
 

 3. 
During which of the following stages shown in Figure 5.1 does the cytoplasm of a cell divide?

mc003-1.jpg
a.
mitosis
b.
gap 2
c.
synthesis
d.
gap 1
 

 4. 
Why do the cells lining the stomach divide more quickly than those in the liver?
a.
They need much more surface area.
b.
They have fewer chromosomes.
c.
They undergo more wear and tear.
d.
They are much smaller cells.
 

 5. 
If a cell cannot move enough material through its membrane to survive, then the ratio of its surface area to volume is
a.
growing too quickly.
b.
too small.
c.
just the right size.
d.
too large.
 

 6. 
Before a cell can move from the G or G stage to the next stage of the cell cycle, it must grow and
a.
double in size.
b.
duplicate its DNA.
c.
complete interphase.
d.
pass a critical checkpoint.
 

 7. 
What does a cell make during the synthesis stage of the cell cycle?
a.
daughter cells
b.
more organelles
c.
a copy of DNA
d.
greater surface area
 

 8. 
Which statement is true of the chromosome shown in Figure 5.2?

mc008-1.jpg
a.
Its telomeres have been shortened due to repeated cell division.
b.
Its sister chromatids have spindle fibers attached.
c.
Its centromere has been lost during the copying of DNA.
d.
Its left and right halves carry identical genetic information.
 

 9. 
Before a cell can proceed to mitosis from the gap 2 stage of the cell cycle, it must
a.
undergo cytokinesis.
b.
double in size.
c.
pass a critical checkpoint.
d.
complete a full cell cycle.
 

 10. 
Multicellular organisms use mitosis for growth, development, and
a.
repair.
b.
apoptosis.
c.
reproduction.
d.
interphase.
 

 11. 
During which of the following stages shown in Figure 5.1 does cytokinesis take place?

mc011-1.jpg
a.
mitosis
b.
synthesis
c.
gap 1
d.
gap 2
 

 12. 
Molecules that control the stages of the cell cycle in all eukaryotes are similar. This fact suggests that
a.
cells of eukaryotes rarely divide.
b.
eukaryotes share a common ancestry.
c.
binary fission and mitosis are the same.
d.
rates of cell division are uniform.
 

 13. 
The gap 1, gap 2, and synthesis stages of the cell cycle make up
a.
mitosis.
b.
cytokinesis.
c.
interphase.
d.
telophase.
 

 14. 
In a single-celled organism, mitosis is used for
a.
reproduction.
b.
development.
c.
epair.
d.
growth.
 



 
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