Protein kinases are enzymes which stimulate the production of second messenger molecules.

a. true
b. false


Answer: b. false

Anatomy & Physiology

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Blood returning to the heart from the pulmonary circuit first enters the

A) right atrium. B) right ventricle. C) left atrium. D) left ventricle. E) conus arteriosus.

Anatomy & Physiology

The first nerve cell receiving an impulse directly from a receptor is called a motor or efferent neuron

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology

________ line the brain ventricles and spinal canal

A) Astrocytes B) Satellite cells C) Oligodendrocytes D) Microglia E) Ependymal cells

Anatomy & Physiology

The trochlear nerve conveys proprioceptor impulses from the ________ to the brain.

A) medial rectus muscle B) lateral rectus muscle C) superior oblique muscle D) inferior rectus muscle

Anatomy & Physiology