In the citric acid cycle, a 2 carbon molecule and a 4 carbon molecule combine to produce
A) fructose-1, 6-bisphosphate.
B) carbon dioxide.
C) pyruvic acid.
D) NADH.
E) citric acid.
E
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A young man suffered a severe injury in a motorcycle accident. Rather than give him pain medications by IV or injections, his doctor ordered his pain medicines to be delivered through his skin. Which kind of patches worked well this way?
A) Transdermal patches B) Subcutaneous patches C) Sublingual patches D) Topical patches
What do most bones develop from?
A. Osseous tissue B. Endoderm C. Hyaline cartilage D. Bone marrow E. Fibrocartilage
Moving the eyeball around the eye orbit is primarily the job of the _____.
A. intrinsic muscles of the eye B. extrinsic muscles of the eye C. pterygoid muscles D. temporalis muscles
Antigen presentation involves the display of an antigen
A. inside the cytoplasm of a T-lymphocyte. B. inside the cytoplasm of a B-lymphocyte. C. on the surface of a cell so that a T-lymphocyte can be exposed to it. D. on the surface of a cell so that a B-lymphocyte can be exposed to it.