The ____ are potentially pathogenic to humans

a. Archaea

b. Bacteria
c. Archaea and Bacteria
d. cyanobacteria
e. methanogens


ANSWER: b

Biology & Microbiology

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In Huntington disease, a child will typically develop the disease if one parent also has it. It is as common in boys as in girls. This disease is

A. X-linked recessive. B. autosomal dominant. C. autosomal recessive. D. X-linked dominant. E. pleiotropic.

Biology & Microbiology

Researchers tend to name genes based on what happens in their absence. The tinman gene in Drosophila results in

flies a. without hearts. b. with nonjointed legs. c. with a thick exoskeleton. d. with rust colored eyes. e. without brains.

Biology & Microbiology

Chitin is a polysaccharide with __________ atoms

attached to the glucose backbone. a. magnesium b. phosphorus c. potassium d. nitrogen e. sulfur

Biology & Microbiology

A reproductive strategy in which one individual has both testes and ovaries is called

A. hermaphroditism. B. sexual reproduction. C. parthenogenesis. D. fission.

Biology & Microbiology