In Skeletal Muscle Contraction, an Increase in ____In the Cytosol

question 50

Multiple Choice

In skeletal muscle contraction, an increase in ____in the cytosol triggers the crossbridge cycle.

• A) troponin
• B) Ca²⁺
• C) tropomyosin
• D) ATP
• E) acetylcholine

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Definitions:

Mutation

A change in the DNA sequence of an organism's genome, which can result in a variation in physical appearance, behavior, or health.

Breeding Populations

Populations of organisms that interbreed with each other more frequently than with members of other populations, often used in the context of genetics and evolutionary studies.

New Species

A category of biological classification that denotes a group of individuals capable of interbreeding, which is distinct from other groups in terms of genetics, behavior, or morphology.

Founder Effects

A genetic phenomenon where a new population starts from a few ancestors, leading to a reduced genetic variation compared to the original population.