Genetically speaking,prokaryotes are different from eukaryotes because
A) prokaryotes usually have a single chromosome.
B) prokaryotes do not usually have histone proteins to package their DNA.
C) prokaryotes do not have a nucleus to maintain their DNA.
D) prokaryotes have the same amount of DNA that eukaryotes do.
E) all of the above
Correct Answer:
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Q4: Crossing over usually occurs during
A)meiosis I.
B)meiosis II.
C)mitosis.
D)S-phase.
E)Crossing
Q5: In the example below,how many chromosomes are
Q6: Meiosis I is called the _ division
Q7: Crossing over and the random distribution of
Q8: How many chromosomes would have been in
Q9: All of the following make meiosis different
Q10: In which part of the cell cycle
Q11: In plants,which of the following are haploid?
A)megaspores
B)megasporocyte
C)microsporocyte
D)stamen
Q12: A functional chromosome contains which of the
Q14: Sister chromatids separate and move toward opposite
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