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Neporo4naja [7]
3 years ago
9

A closed system is best characterized as a system in which: (3 points)

Biology
1 answer:
Anarel [89]3 years ago
7 0

Answer:

A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.

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Which is a homologous chromosome pair?
nadezda [96]

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There are three ways sexual reproduction increases genetic diversity in a species. Choose two and explain each
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Shortly after rna polymerase begins to transcribe a pre-mrna, a ____________ is added.
Ber [7]

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, Hope this helps :)

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3 0
3 years ago
If a diploid cell has 20 chromosomes, how many sister chromatids will be present
Gnom [1K]

Answer:

92 chromatids

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