Agar, widely used in microbiology growth media, is obtained from
A. Protozoa.
B. Mold.
C. Bacteria.
D. Algae.
D. Algae.
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Which tests detect anti-HIV antibodies?
A. ELISA and Western Blot B. PCR and gene probe C. Western Blot and PCRD.
Myofibril contractile subunits, the sarcomeres, are bounded on each end by a disc of protein called the
A. A band. B. M line. C. H band. D. I band. E. Z line.
The mutation that causes the lighter skin color
of all people of European descent was the result of what type of mutation?
a. base-pair substitution b. insertion c. deletion d. whole chromosome duplication e. multiple gene mutations involving several mechanisms
The common ancestor of all animals is likely to have been a ________.
A) colonial, flagellated protist B) colonial, ciliated protist C) colonial, flagellated bacterium D) colonial, ciliated bacterium