Inhibiting adenyl cyclase in olfactory sensory neurons would

A) convert the olfactory receptors from phasic to tonic receptors.
B) expand the range of sensitivity of these receptors.
C) increase the sensitivity of these receptors.
D) have no effect on these receptors.
E) reduce the sensitivity of these receptors.


E) reduce the sensitivity of these receptors.

Anatomy & Physiology

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A pair of chromosomes, one from the egg and one from the sperm, that carry complete (or nearly complete) genetic instructions for the same traits are called ________

A) biparental genes B) a homologous pair C) dominant genes D) the paternal genotype

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What is the role of the mini-valves in lymph capillaries?

A. speed transport B. reduce pressure in the lymphatic capillary C. increase permeability D. connect to blood capillaries

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Most of a cell's ATP is produced within its mitochondria. What gas do mitochondria require to produce ATP, and what gas results?

A) Carbon dioxide is required to produce ATP, and oxygen is released in the process. B) Oxygen is required to produce ATP, and carbon dioxide is released in the process. C) Nitric oxide is required to produce ATP, and nitrogen is released in the process. D) Nitrogen is required to produce ATP, and nitric oxide is released in the process. E) Hydrogen is required to produce ATP, and nitric oxide is released in the process.

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David suffers from a prolapsed mitral valve. This condition would cause

A) increased effort by the right ventricle. B) increased effort by the left ventricle. C) regurgitation. D) increased effort by the right ventricle and regurgitation. E) increased effort by the left ventricle and regurgitation.

Anatomy & Physiology