Which molecule is activated from the binding of an odorant to transmembranous receptor molecules on olfactory hairs?

A. G protein
B. cAMP
C. Troponin
D. Calmodulin


Answer: A

Anatomy & Physiology

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The structures in the nucleus that serve as a "mitotic clock" are

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The exocrine portion of the pancreas is composed of

A) islets of Langerhans. B) pancreatic crypts. C) pancreatic acini. D) pancreatic lobules. E) triads.

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The central opening in the eye through which the light passes on to the retina is the

A) lens. B) fovea. C) cornea. D) pupil. E) conjunctiva.

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Large molecules typically elicit an immune response better than smaller molecules

Indicate whether the statement is true or false

Anatomy & Physiology