Which organisms are NOT involved in food fermentations?

A) lactic acid bacteria
B) sulfuric acid bacteria
C) acetic acid bacteria
D) propionic acid bacteria


Answer: B

Biology & Microbiology

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A series of markers have the following frequencies. Which would be the most useful for DNA profiling?

A) 1/60 B) 1/5200 C) 1/500 D) 1/40

Biology & Microbiology

Atherosclerosis is a pathophysiological process resulting from the 

A. elevated vasodilation in the limbs. B. reduced arterial resistance. C. accumulation of plaque in blood vessels. D. coronary artery bypass. E. chronic myocardial infarction.

Biology & Microbiology

PKU is a recessive disorder. If a woman who has PKU has a child, what is the child’s possible

genotype? A. Homozygous dominant. B. Homozygous recessive. C. Heterozygous. D. The genotype could be any one of these. E. There is not enough information to determine the child’s genotype.

Biology & Microbiology

Which arterial property enables it to resist the blood pressure?

A. valves within an artery B. skeletal muscle within the arterial walls C. elastic tissue in the arterial wall D. precapillary sphincters E. a wall composed only of endothelium

Biology & Microbiology