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Question
In eukaryotic cells, which occurs during mitosis?a. the duplication of chromatids
b. the replication of DNA
c. synapsis and crossing over
d. fragmentation and disappearance of nuclear envelope
e. all of these
Answer
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Related questions
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Glucose and fructose
a. form rings with the same number of carbon atoms.
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c. are alike in that both have identical functional groups.
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Q:
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Q:
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Q:
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Q:
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b. behave the same chemically and physically but differ biologically from other isotopes.
c. are the same physically and biologically but differ from other isotopes chemically.
d. have the same number of protons but a different number of neutrons.
e. are produced when atoms lose electrons.
Q:
Which is the smallest unit of an element that retains the properties of the element?
a. atom
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c. ion
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e. mixture
Q:
The ability of a solution to resist changes in pH depends on its ______________.