Which blood type is the universal donor?
a. A
b. B
c. AB
d. O
e. none of these
D
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The type of microscope that directs a beam of electrons back and forth across a specimen thinly coated
with metal is a a. compound light microscope. b. stereoscope. c. transmission electron microscope. d. scanning electron microscope. e. scanning tunneling microscope.
Bacterial ____ cause systemic symptoms such as fever, whereas bacterial ____ cause more specific maladies
a. phages; prophages b. prophages; phages c. exotoxins; phages d. exotoxins; endotoxins e. endotoxins; exotoxins
Occasional errors occur during meiosis, resulting in gametes that have too many or too few chromosomes. Such errors in meiosis, called ________, can affect the number of sex chromosomes or autosomes in a gamete
Fill in the blank(s) with correct word
Most true fungi send out cellular filaments called ____.
A. mycelia B. hyphae C. mycorrhizae D. stolons E. rhizoids