In _____ gas exchange occurs at the body surface and gas is distributed by diffusion alone
a. earthworms c. frogs
b. flatworms d. insects
B
Biology & Microbiology
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In electron transport, which respiratory complex is not involved in the flow of electrons from NADH?
A) complex I B) complex II C) complex III D) complex IV E) all of the above
Biology & Microbiology
With capture-recapture, the recaptured animals might not represent the population correctly because ________
a. they might return to traps preferentially b. they might avoid traps having been caught once c. all of the choices d. some animals may have lost their tags
Biology & Microbiology
_____ different codons constitute the genetic code
a. 3 b. 20 c. 64 d. 120
Biology & Microbiology
Which of the following is NOT a function of proteins?
A. Energy carrier B. Structure of bones C. Enzymes D. Hormones E. All of these are functions of proteins
Biology & Microbiology