Stimulants include
a. nicotine.
b. amphetamines.
c. caffeine.
d. cocaine.
e. all of these.
E
Biology & Microbiology
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The _____ is analogous to the female's ovary.
A. vas deferens B. corpus spongiosum C. meatus D. testis
Biology & Microbiology
Which of the following areas of the respiratory tract is lined with a single layer of epithelial cells?
a. nasal cavity b. larynx c. trachea d. bronchi e. alveoli
Biology & Microbiology
Annelids have ___.
a) a coelom b) a pseudocoelom c) no coleom d) none of the above
Biology & Microbiology
Proteins associated with DNA in the nucleus of eukaryotic cells are called ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology