A type of monocyte that has long, thin processes to trap pathogens is a(n) ________.
A. dendritic cell
B. macrophage
C. eosinophil
D. mast cell
E. platelet
Answer: A
Biology & Microbiology
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A method of contraception that prevents the release of the oocyte from the ovary is a(n)
A) hormonal method. B) barrier method. C) spermicide method. D) oogenic method.
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During the day the leaves of bean plants are __________, and at night they are __________
a. horizontal; wilted b. horizontal; vertical c. horizontal; horizontal d. vertical; vertical e. vertical; horizonta
Biology & Microbiology
Of all the hundreds of varieties of dogs, all belong to the same ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
How many micro-liters (?l) are in 2.5 pints? (1 pint = 0.5 qrts and 1 qrt = 0.962 L)
A) 4.81 x 105µl B) 4.81 x 10-5µl C) 1.203 x 106µl D) 1.203 x 10-6µl
Biology & Microbiology