Traits with more than two distinct forms are ____
a. polymorphic
b. dimorphic
c. codominant
d. heterozygous
e. homozygous
ANSWER: a
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What will be an ideal response?
Rheumatic fever is
A) an autoimmune disease. B) a poststaphylococcal disease. C) triggered by cell-surface antigens on Staphylococcus aureus cells that are similar to heart valve and joint antigens. D) caused by human papillomavirus.
Which medium can be described as suppressing the growth of most gram-negative organisms while allowing gram-positive bacteria to grow?
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Which of the following is NOT true concerning
botulism? a. It is a type of food poisoning. b. The toxin is odorless and tasteless. c. The pathogen is a virus. d. The toxin enters motor neurons. e. Muscles become paralyzed.