The most important factor determining which type of receptor a signal molecule will bind to is

A) the lipid solubility of the ligand.
B) the location of the receptor molecule.
C) the size of the ligand.
D) the size of the receptor molecule.


A) the lipid solubility of the ligand.

Anatomy & Physiology

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Which of the following statements about water is false?

A) It is composed of polar molecules. B) It is responsible for much of the mass of the human body. C) It has a relatively low heat capacity. D) It can dissolve many substances. E) It contains hydrogen bonds.

Anatomy & Physiology

Cardiac output is the volume of blood ejected from the _____ ventricle into the _____ each minute

a) left, aorta b) right, aorta c) left or right, aorta or pulmonary trunk d) right, pulmonary trunk e) both left and right aorta are correct

Anatomy & Physiology

Which of these is not part of the nephron?

A. Glomerulus B. Glomerular capsule C. Nephron loop D. Collecting duct E. Distal convoluted tubule

Anatomy & Physiology

Carbon dioxide is transported in the blood mostly as __________.

a. carbaminohemoglobin b. a bicarbonate ion c. soluble in plasma d. none of the listed responses

Anatomy & Physiology