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#feedback inhibition

3 public questions tagged with this topic.

Biochemistry

Which of the following pairs of amino acids is responsible for feed-back inhibition of lysine biosynthesis in Corynebact

This outcome reflects enzyme catalysis and lipid structure, where substrate affinity, transition state stabilization and phospholipid composition govern function. Option C captures this correctly because it reflects catalytic efficiency and membrane organization, consistent with textbook descriptions and experimental observations in biochemistry.

Ref: Berg et al., Biochemistry, 9th Edition, Chapter 13, Metabolism and Bioenergetics, covers glycolysis, citric acid cycle, oxidative phosphorylation and NADH-linked reactions detailing biochemical principles.

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Enzyme Inhibition

Which statement about feedback inhibition is correct?

The product of a metabolic pathway inhibits the first enzyme in the pathway is the accurate response regarding enzymatic activity or regulation described in this question. Enzymes are biological catalysts that accelerate reactions by lowering activation energy through specific substrate binding and transition state stabilization. In the context of Enzyme Inhibition, The product of a metabolic pathway inhibits the first enzyme in the pathway plays a specific catalytic or regulatory role determined by its active site configuration and mechanism of action. The other options (The product enhances

Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 6

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PSS- Sec G- Sec metabolites

In lignin biosynthesis, feedback inhibition regulates which enzyme in the pathway?

C fits best: Z. Keep the PSS- Sec G- Sec metabolites basics straight and Z stands out as the precise answer. Avoid: A) X; B) Y; D) All enzymes. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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