Which of the following is a traditional human use of microorganisms?

A. Cleaning up oil spills
B. Treating water and sewage
C. Baking bread
D. Mass-producing antibiotics


Answer: C

Biology & Microbiology

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Nondisjunction of a single pair of autosomes can lead to all of the following except  

A.  aneuploidy. B.  monosomy. C.  trisomy. D.  euploidy.

Biology & Microbiology

The advantages of the amniotic egg include (select all that apply)

A. relatively long development times supported by a large yolk. B. the ability to resist desiccation in dry terrestrial habitats. C. improved protection from predators. D. improved ability to withstand wide temperature fluctuations. E. the ability to withstand freezing.

Biology & Microbiology

Frameshift mutations change the number of ____ in the gene and usually cause large-scale changes in the ____ sequence of the protein

a. polypeptides; nucleotide b. amino acids; allelic c. alleles; amino acid d. nucleotides; amino acid e. amino acids; nucleotide

Biology & Microbiology

The disruption of a protein's three-dimensional structure is called

a. condensation. b. hydrolysis. c. ionization. d. oxidation. e. denaturation.

Biology & Microbiology