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