________ channels open or close in response to physical distortion of the membrane surface

A) Voltage-gated
B) Chemically gated
C) Active
D) Mechanically gated
E) Leak


Answer: D

Anatomy & Physiology

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When an enzyme catalyzes a chemical reaction, ________.

A. the enzyme binds to the substrate's active site B. amino acids in the enzyme's active site interact with substrate molecules to create a product C. amino acids in the substrate allow for interaction with the product D. the enzyme's active site binds to the product

Anatomy & Physiology

The muscle fibers that exhibit the most severe age-related atrophy are ________ fibers.

A. slow oxidative B. fast oxidative C. slow glycolytic D. fast glycolytic

Anatomy & Physiology

Functional ________ goes beyond simply studying the structure of organs and provides reasons for them.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which are target organs for parathyroid hormone (PTH)?

A. Stomach and large intestine B. Bone and kidney C. Skin and thyroid gland D. Bone and muscle E. Heart and liver

Anatomy & Physiology