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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.
What are the main cytoplasmic structures present in animal cells? Ans) The major cytoplasmic structures of the cell are the centrioles, the cytoskeleton, lysosomes, mitochondria
Explain Following Trems (a) State three structural features of prokaryotic cells. (b) Describe the functions in eukaryotic cells of lysosomes, ribosomes, and centrioles.
Q. Is pollution always caused by humans? In the most cases pollution is caused by human activity. Other species and some abiotic factors though can also pollute an ecosystem. F
According to Mendel's law phenotypical characteristics would be verified by pair of factors (alleles) that separate independently in gametes. What are the main types of inheritance
what is meant by plasmodesmatsa
Define Unintentional Adulteration - Types of Adulteration? These are the contaminations occur unknowingly or incidently in the food during harvesting, handling, transportation,
Q. What are the two divisions of the autonomic nervous system? The autonomic nervous system is divided into the parasympathetic nervous system and the sympathetic nervous syste
Explain about the Artificial Sweeteners? As a group, artificial sweeteners are classed as "non-nutritive". Thus, they provide sweet sensation to the tastebuds, with no increasi
Q. What are the signs of myocardial disease? One manifestation of congestive cardiac failure is decreased exercise tolerance depending on the level of compensation. This leads
Explain the Indole Production Test? Many microorganisms produce an enzyme tryptophanase which oxidizes amino acid tryptophan to produce pyruvic acid, indole and ammonia. We can
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