Pseudomonas aeruginosa is resistant to many Antimicrobics
a. true
b. false
a. true
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Which of the following statements about allostery is true?
(a) Allosteric regulators are often products of other chemical reactions in the same biochemical pathway. (b) Allosteric regulation is always used for negative regulation of enzyme activity. (c) Enzymes are the only types of proteins that are subject to allosteric regulation. (d) Binding of allosteric molecules usually locks an enzyme in its current conformation, such that the enzyme cannot adopt a different conformation.
Which of the following statements about proteoglycans is TRUE?
A. Proteoglycans are composed of collagen. B. Proteoglycans are composed of polysaccharides called glycosaminoglycans. C. Proteoglycans provide resistance to compression. D. Proteoglycans are both composed of collagen and provide resistance to compression. E. Proteoglycans are both composed of polysaccharides called glycosaminoglycans and provide resistance to compression.
Members of the family Enterobacteriaceae
A. include E. coli, Enterobacter, Salmonella, and Shigella. B. include many medically relevant bacteria. C. primarily reside in the intestinal tract of humans and animals. D. are facultative anaerobes. E. All of the choices are correct.
The location of a gene on a chromosome is its
a. centromere. b. locus. c. autosome. d. allele. e. centriole.