For the given question above, the best answer would be both make it possible for the conditions in the interior to be different from the conditions outside.
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Answer:
B
Explanation:
ice caps would be the only one I can see decreasing
Answer: bidirectional regulator
Explanation:
The type of enzyme that are
synthesized in an environment where an operon codes for enzymes that synthesize
a protein from precursor amino acid molecules are the repressible enzymes. It binds
to the operator and blocks attachment of RNA polymerase to the promoter,
preventing transcription of the genes.
Any molecule that is small enough to fit through can pass through the cell membrane. Other larger cells must pass through specialized protein channels that allow only specific molecules through.