Which of the following molecules would enter the cell via a specialized transmembrane receptor?

A) water
B) fatty acids
C) cholesterol
D) ethanol
E) gases


E) gases

Biology & Microbiology

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The adult form of the fluke, Fasciolopsis buski, is elongated in shape and ranges from 20 to 75 mm long and 8 to 20 mm wide with an oral sucker at the anterior and a ventral sucker approx-imately midway to the posterior. The reservoir host for the fluke is:

a. snails. b. birds. c. rodents. d. dogs.

Biology & Microbiology

Muscle, connective tissue, and the lining of some body cavities originate from which of the following germ layers?

a. mesoderm b. all of the choices c. ectoderm d. endoderm

Biology & Microbiology

The sac fungi are distinguished from all other groups of fungi because their reproductive structures are ________.

A. borne on basidia B. zygospores C. motile D. inside an ascus

Biology & Microbiology

Which of the following will result when 1% to 5% agar is added to nutrient broth, boiled and cooled?

A. a liquid medium B. a mixed culture C. a solid medium D. a pure culture E. a contaminated medium

Biology & Microbiology