Which of the following is classified as a trace element in the human diet?

a. potassium
b. iron
c. sulfur
d. magnesium
e. sodium


b

Biology & Microbiology

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The process whereby repeated, short stimuli provided to a hippocampal neuron have the effect of strengthening the synapse it makes with other neurons is specifically referred to as

A. long-term potentiation. B. short-term potentiation. C. neurotransmission. D. synaptic reuptake. E. None of these choices are correct.

Biology & Microbiology

Which of the following uses plant-derived sugar for fermentation?

a. wood for shelter b. alcoholic beverages c. medicine d. spices

Biology & Microbiology

The most economically important bryophyte is:

a. Equisetum. b. Anthoceros. c. Psilotum. d. Sphagnum. e. Lycopodium

Biology & Microbiology

One of the first successful applications of genetic engineering was the commercial production of ____.

A. clotting factor B. insulin C. hemoglobin D. collagen E. human growth factor

Biology & Microbiology