A cell does not want to waste energy synthesizing the amino acid arginine if arginine is present in its diet. Therefore, when arginine is present, it activates a repressor protein to prevent transcription of genes that code for enzyme to make arginine. This is an example of what type of regulation?

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#Question id: 1539

#SCPH05 I Biotechnology

Regulatory T cell (TREG) have identified by the presence of

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#Question id: 10396

#SCPH06 I Botany

Very low fluence response (VLFR) is

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#Question id: 2124

#SCPH28 | Zoology

An integral membrane protein can be extracted with:

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#Question id: 14827

#SCPH06 I Botany

The structures used for motility in both eukaryotes and prokaryotes are

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#Question id: 4957

#SCPH28 | Zoology

How many half-lives should have elapsed if 6.25% of the parent isotope remains in a fossil at the time of analysis?