When starting with a single molecule of glucose, how many times does oxidation occur during the
conversion of pyruvate to acetyl CoA in the process of cellular respiration?
a. 1
b. 2
c. 3
d. 4
e. 5
B
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What technical advance allowed Walther Flemming and other scientists of his generation to better understand the stages of mitosis and meiosis?
A. the ability to obtain single cells B. the ability to slice cells thinly C. microscopes with two eyepieces D. microscopes with high-quality oil immersion lens E. electron microscopes
When male moose engage in their annual battles, butting heads with their oversized antlers, they are
participating in a process that will lead to
a. stabilizing selection. b. disruptive selection. c. directional selection. d. intrasexual selection. e. intersexual selection.
The structure found in the nose of mammals that can detect pheromones is called the ____
a. pheronasal detector b. nasopharynx c. vomeronasal organ d. olfactory mucosa e. olfactory receptor ganglia
Some American soldiers serving in Iraq have become infected with a skin disease caused by a protist called Leishmania, which is transmitted by sand flies. The Leishmania organism bears flagella with a unique crystalline rod structure. One of its life stages is squiggly and worm-like in appearance, much like its relative in the same group, Trypanosoma. Leishmania belongs to the group __________.
Fill in the blank(s) with the appropriate word(s).