A(n) ______carrier actually spreads infectious agents during the period immediately prior to the appearance of symptoms
a. chronic
b. convalescent
c. asymptomatic
d. incubation
e. passive
d. incubation
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An example of a dimorphic fungus is:
a. Candida albicans. b. Coccidioides immitis. c. Cryptococcus neoformans. d. Aspergillus fumigatus.
What key words does the question contain and what do they mean?
What will be an ideal response?
The male and female reproductive systems of an adult each include
A) gonads, tubes, gametes, hormones and secretions. B) ambiguous structures that give rise to male or female structures at puberty. C) spermatids, polar bodies, and oocytes. D) 200 to 600 million spermatocytes and a few thousand oocytes.
Which of the following is the correct order of the tissues in a young dicot stem, from the center of the stem outward?
A) Pith ? cortex ? phloem ? xylem ? vascular cambium ? epidermis B) Cortex ? xylem ? vascular cambium ? phloem ? pith ? epidermis C) Cortex ? vascular cambium ? xylem ? phloem ? epidermis ? pith D) Pith ? phloem ? cortex ? xylem ? vascular cambium ? epidermis E) Pith ? xylem ? vascular cambium ? phloem ? cortex ? epidermis