Which Molecule Blocks the Myosin Head from Binding to Actin

question 11

Multiple Choice

Which molecule blocks the myosin head from binding to actin in a relaxed muscle?

• A)tropomyosin
• B)troponin
• C)calcium
• D)titin

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Definitions:

Corn

A cereal plant that yields large kernels on a cob, widely grown for food and livestock feed.

Natural Selection

The evolutionary process where organisms better adapted to their environment tend to survive and reproduce more successfully than less well-adapted organisms.

Predation

The biological interaction where one organism, the predator, kills and consumes another organism, its prey, as a food source.

Flocks

Groups of birds gathered together, typically for the purposes of migration or social interaction.