Proteins are made up of many
A. amino acids.
B. RNA molecules only.
C. DNA molecules only.
D. RNA and DNA molecules.
E. nucleotides.
A. amino acids.
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When light rays converge behind the retina, it is known as ____
a. astigmatism b. color blindness c. nearsightedness d. macular degeneration
e. farsightednessWhich of the following is most abundant in the trachea and bronchi, becoming much less dense (and eventually absent) in the bronchioles?
A) macrophages B) type II alveolar cells C) smooth muscle cells D) goblet cells E) cartilage
Which portion of the renal tubule empties directly into the collecting duct?
a. Bowman's capsule b. distal convoluted tubule c. proximal convoluted tubule d. descending loop of Henle e. ascending loop of Henle
In the O/F Glucose Medium: If after inoculation and incubation of both tubes with the same bacterium you found that both, the open tube and the closed tube are yellow. What would you presume about the bacterium?
A. This bacterium is microaerophilic B. The bacterium is asacchrolytic C. This bacterium is an obligate anaerobe D. This bacterium is an obligate aerobe E. This bacterium is a facultative anaerobe