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

A. cAMP
B. calmodulin
C. troponin
D. G protein


D

Anatomy & Physiology

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The plasma membrane

a. appears under an electron microscope as a double dark line with a light space between b. is composed primarily of a double layer of protein molecules with cholesterol molecules interspersed between them c. has a hydrophilic region between two hydrophobic regions d. has all of the above characteristics e. does not exhibit any of the above characteristics

Anatomy & Physiology

Filtration is the ability of a substance to pull water toward an area of higher solute concentration.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

At each end of the muscle, the collagen fibers of the epimysium, and each perimysium and endomysium, come together to form a

A) tendon. B) satellite cell. C) ligament. D) tenosynovium. E) sheath.

Anatomy & Physiology

Though the autonomic innervation by autonomic centers in the brainstem cannot initiate a heartbeat, it can increase or decrease the heart rate

Indicate whether this statement is true or false.

Anatomy & Physiology