The rough endoplasmic reticulum is studded with:

a. ribosomes
b. vacuoles
c. nucleoli
d. proteins


Answer: a. ribosomes

Biology & Microbiology

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Teosinte was the forerunner of modern:

A. rice B. wheat C. oats D. barley E. maize

Biology & Microbiology

The usual type of symbiotic relationship between humans and the bacteria normally found in their intestinal tract is that of 

A. predator/prey. B. parasitism. C. mutualism. D. communism.

Biology & Microbiology

Studies using fissure water from gold-mining operations nearly 3 km deep indicate that the bacteria present use what for energy?

a. organic carbon b. sulfur c. iron d. H2

Biology & Microbiology

Meat and eggs are sources of _________ fats.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology