Which of the following is not likely to cause a cell to become cancerous?
a. accumulated mutations
b. mutations in tRNA
c. chemical pollutants
d. cigarette smoke
Answer: b. mutations in tRNA
Biology & Microbiology
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All of the following are fluid feeders EXCEPT
a. aphids. b. leeches. c. earthworms. d. ticks.
Biology & Microbiology
All living things, except bacteria and archaea, are eukaryotes
a. true b. false
Biology & Microbiology
Photosynthesis is to the chloroplast as ________ is to the mitochondrion
Fill in the blank with correct word.
Biology & Microbiology
Cattle egrets hitch a ride on domestic cows and eat insects that are stirred up by their activity. What term describes this relationship?
A) commensalism B) competition C) predation D) parasitism
Biology & Microbiology