In the Section "Investigating Life: Did a Myosin Gene Mutation

question 23

Multiple Choice

In the section "Investigating Life: Did a Myosin Gene Mutation Make Humans Brainier?",how does an inactive gene that encodes a non-functional myosin protein affect human chewing muscles?

• A)No effect because humans have over 40 closely related myosin genes.
• B)No effect because myosin is not essential for life.
• C)The loss of this myosin causes smaller and weaker chewing muscles in humans.
• D)No effect because other proteins in the body can do the same thing as myosin.
• E)The loss of this myosin causes greater flexibility of chewing muscles in humans.

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Definitions:

Total Revenue

The entire revenue produced from selling products or services that are central to the business's main activities.

Unit Elastic

A situation in which the percentage change in quantity demanded is equal to the percentage change in price.

Inelastic

Describes a situation where the demand for or supply of a good or service is relatively unresponsive to changes in price.

Elasticity of Supply

A measure of how much the quantity supplied of a good changes in response to a change in its price.