T helper cells possess a glycoprotein called CD4. This molecule binds to

A. MHC class I molecules.
B. MHC class II molecules.
C. MHC-CD8 antigens.
D. MHC-CD28 antigens.
E. Interleukin-1 receptor.


B

Anatomy & Physiology

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Cells of the ________ gather around the notochord and neural tube and produce the vertebra and rib at their associated level

A) myotome B) intermediate mesoderm C) dermatome D) sclerotome

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Oxygen consumption is normally directly proportional to metabolic rate.

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

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Oxytocin ________

A) exerts its most important effects during menstruation B) release is an example of a positive feedback control mechanism C) is an anterior pituitary secretion D) controls milk production

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Cellular membrane potential is measured in

A) milliseconds. B) micrometers. C) Hertz. D) millivolts. E) amperes.

Anatomy & Physiology