Which statement best describes the difference between cell division in plant and animal cells?
a. In animal cells but not plant cells, cytokinesis is accomplished by formation of a cleavage
furrow.
b. In plant cells but not animal cells, cytokinesis is accomplished by formation of a cleavage
furrow.
c. In plant cells, centrosomes have an important role in spindle formation, while in animal
cells centrosomes do not function during cell division.
d. In animal cells, replication of chromosomes occurs during interphase, while in plant cells
replication occurs when the nuclear envelope disintegrates.
e. Animal cells divide via the cell cycle whereas plant cells divide by binary fission.
A
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What is the key concept addressed by the question?
What will be an ideal response?
How many covalent bonds can an individual carbon atom form?
a. 1 b. 2 c. 4 d. 8
Refer to Figure 15-1. The use of antibiotic medium at the end of this process:
a. selects against plasmids containing human DNA fragments.
b. selects for plasmids containing particular DNA fragments.
c. selects for bacteria containing plasmids.
d. selects for bacteria lacking plasmids.
e. prevents contamination of the medium
Cellulose is an example of ________
A) a polypeptide B) a steroid C) fiber D) fat