What is the role of the red nuclei?

A) Responding to loud noises and bright lights
B) Part of the auditory pathways in the CNS
C) Carries sensory information to the brain
D) Unconscious regulation and coordination of motor activities

The action potentials are slowed at the AV node to allow the

A) ventricles to repolarize.
B) ventricles to completely empty of blood.
C) pacemaker to reset for the next beat.
D) atria to complete their contraction.
E) atria to begin their contraction.

Excess glucose in animals is stored as ________.

A) starch
B) sucrose
C) glycogen
D) galactose
E) cellulose

What is the limbic system? What does it control?

Transcription factors that increase the rate of transcription by binding a target in the general transcriptional machinery and an enhancer are known specifically as:

A) activator proteins
B) leucine zipper proteins
C) helix-turn-helix proteins
D) zinc finger proteins
E) lnc RNAs

Certain people have an inability to speak due to brain damage. The most likely area of the brain that has been damaged is

A) Broca's area.
B) the meninges.
C) the ventricles.
D) the amygdala.
E) the limbic system.

Ectotherms depend on the environment for their body heat.
____________________

Cross-bridges connect

A) tropomyosin to troponin.
B) troponin to myosin.
C) tropomyosin with actin.
D) troponin to actin.
E) myosin to actin.