Where would you predict an facultative anaerobe would grow in a tube of fluid thioglycollate medium?
At or very near the surface of the broth
A little below the surface of the broth
Throughout the tube
At the bottom of the tube
throughout the tube
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What is the best way to describe our current understanding of the one-gene/one-polypeptide hypothesis?
A. It continues to be an accurate description of how genes work. B. It is oversimplified, especially in eukaryotes. C. It has been replaced by the more accurate “one-gene/one-enzyme” hypothesis. D. It was true for fungi like Neurospora, but not for other species.
The following classes or superclasses of fish are matched with an example. Select the mismatched pair.
A. Chondrichthyes—sharks B. Placodermi—lobe-finned fish C. Myxini—hagfish D. Osteichthyes—bony fish
Various forms that a single gene can take at a given locus are called
a. kinetochores. b. alleles. c. autosomes. d. loci. e. chromatids.
Order ____ includes the snakes
a. Apoda b. Chelonia c. Aves d. Squamata e. Reptilia