What Is True of the Comparison Between the Myosin of a Rat

question 27

Multiple Choice

What is true of the comparison between the myosin of a rat and a mouse?

• A)The nucleotide sequences are identical.
• B)The genes encode for different proteins.
• C)Each species has accumulated random mutations,but the sequences are similar.
• D)Both species are so far apart that there is no homology between the two sequences.
• E)The genes encoding myosin closely resemble those encoding actins.

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Definitions:

Somatic Nervous System

A part of the peripheral nervous system that handles voluntary control of body movements through the control of skeletal muscles.

Knee-Jerk Reflex

The knee-jerk reflex is a sudden kicking movement of the lower leg in response to a sharp tap on the patellar tendon.

Interneurons

A type of neuron that transmits impulses between other neurons, especially as part of a reflex arc.

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for action by increasing heart rate, blood pressure, and energy production.