Huntington's disease is caused by a:

a. rare recessive allele.
b. nucleotide triplet repeat.
c. monosomic condition.
d. dominant X-linked allele.
e. deletion of part of chromosome 4.


b

Biology & Microbiology

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S. pneumoniae can be described as:

a. resistant to bile and optochin. b. hemolytic on sheep blood agar c. CAMP positive d. often carrying an antiphagocytic capsule.

Biology & Microbiology

In general, molecules made mostly of carbon atoms covalently bound to each other and to other atoms

are called ____.

a. hydrocarbons b. carbohydrates c. polymers d. functional groups e. organic molecules

Biology & Microbiology

In nearsightedness,

a. the sufferer cannot see things that are nearby. b. distant objects are blurry because the image is focused in front of the retina. c. the problem cannot be corrected by eyeglasses. d. the image is focused behind the retina. e. the retina begins to degenerate, making images fuzzy.

Biology & Microbiology

A ____ is a pelagic animal. 

A. fish B. slug C. housefly D. moose

Biology & Microbiology