Which of the following is NOT a main substrate for gluconeogenesis?
A. Pyruvic acid
B. Glycerol
C. Lactic acid
D. Alanine
Answer: A
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Supply the name of the missing vein from this sequence: superior mesenteric and splenic veins, ________, inferior vena cava.
A) phrenic vein B) hepatic portal vein C) adrenal vein D) renal vein E) azygos vein
Prokaryotes are different from eukaryotes in that the former lack
a. cell walls. b. nuclei. c. DNA. d. membrane transport proteins. e. none of these.
Each of the following bones contributes to the formation of the cranial base EXCEPT the
A. occipital. B. sphenoid. C. ethmoid. D. temporal. E. parietal.
Ribs 8 to 10 are called ________ because they do not attach directly to the sternum
A) hemi-attaching ribs B) vertebrosternal ribs C) vertebrochondral ribs D) vertebral ribs E) floating ribs