What part of a phospholipid comprises the hydrophobic tail?

A. Hydroxyl
B. Glycerol
C. Fatty acids
D. Phosphate
E. Alcohol


Answer: C

Biology & Microbiology

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Cervical swab is:

a. acceptable. b. not acceptable.

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The eggs of the blood fluke Schistosoma haematobium range from 110 to 170 µm long by 40 to 70 µm wide and have a sharp, pointed terminal spine. In which specimen is this organism most likely found?

a. Ascites fluid b. Sputum c. Bile d. Urine

Biology & Microbiology

Type IV hypersensitivity reactions typically peak within

A. minutes. B. hours. C. 12 hours. D. 2-3 days.

Biology & Microbiology

The domestic dog has 39 pairs of homologous chromosomes. A dog's somatic cells have ________ chromosomes and gametes have ________ chromosomes.

A) 78; 78 B) 78; 39 C) 39; 15 D) 156; 78 E) 39; 39

Biology & Microbiology