The smallest units that still retain the characteristics of an element are called
A) molecules.
B) tissues.
C) organic molecules.
D) cells.
E) atoms.
E
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Which of the following began with the work of Gregor Mendel in the 19th century?
A. Population genetics B. Transmission genetics C. Molecular genetics
Which dermatophyte usually fluoresces yellow-green under a Wood's lamp?
a. Microsporum gypseum b. Trichophyton verrucosum c. Microsporum audouinii d. Epidermophyton floccosum
Steroid and thyroid hormones do not bind to membrane surface receptors because they ____
a. are small enough to pass directly through the membrane b. are soluble in the lipid bilayer c. pass through special membrane channels d. are water-soluble e. dissolve in the cholesterol present in cell membranes
Abnormally folded proteins that cause normal proteins to re-fold into abnormal configurations are called:
a. prions b. nucleotides c. peptides d. polymers e. triglycerides