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Inhibitor Proteins - Enzyme-activity Control
One kind of inhibitor protein found in higher plants is an endopeptidase which degrades nitrate reductase thus causing irreversible loss of the enzyme. The other kind includes binding proteins that specifically bind to nitrate reductase leading to permanent inactivation of enzyme. Such inactivator proteins have been isolated from rice seedings and spinach leaves. You will see that the transcription of enzyme is mediated by light. It is unique enzyme in this respect.
OBJECTION OF CELL THEORY (REASONS OF DISCARTION) (i) Living organism are composed of various types of cells and their product but members of monera & protista don't have
A biologist examines a series of cells and counts 140 cells in interphase, 10 cells in metaphase, 4 cells in anaphase and 7 cells in telophase. if complete cell cycle requires 24 h
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describe the mechanism of allosteric change.
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