Many Metabolic Pathways Involve Multistep Reactions

question 27

Multiple Choice

Many metabolic pathways involve multistep reactions. Consider the following pathway.
Which of the following would be an example of feedback inhibition?

• A) the product of the final reaction, F, interacting with E₁.
• B) F interacting with an allosteric site in E₄.
• C) B interacting with an allosteric site in E₁.
• D) all of the intermediates or products in the reaction interacting with the active site in E_1.

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Definitions:

Lemming-like Ancestor

Refers to an ancestral species resembling modern-day lemmings, often used in evolutionary biology to describe primitive characteristics shared with contemporary species.

Genetics

The scientific study of heredity and the variation of inherited characteristics among living organisms.

Infanticide Hypothesis

A theory proposing that infanticide (killing of young offspring by a mature animal of the same species) occurs as a reproductive strategy to increase the offspring's survival chances of the perpetrator.

Reproduction-Enhancing

Traits or behaviors that increase the likelihood of breeding success or offspring survival.