The endosymbiotic hypothesis accounts for the origin of which cell structure?
A) Ribosome
B) Plasma membrane
C) Cell wall
D) Chromosome
E) Chloroplast
E
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The electrons that are passed to NADP+ at the
end of the electron transfer chain were obtained from
a. water. b. CO2. c. glucose. d. sunlight. e. ATP.
You find an organism that possesses many bristles and parapodia that it uses to burrow. What is it most likely to be?
A. Millipede B. Tapeworm C. Polychaete D. Hookworm E. Flatworm
Swallow bugs cause nest failures and juvenile mortality. As colony size increases, the costs to cliff swallows are
a. increased juvenile mortality. b. decreased juvenile mortality. c. decrease in the number of unhatched eggs. d. a change in daily survival probability.
All of the following are associated with bubonic plague, except
A) It is transmitted by human feces B) It can progress to a septicemia. C) The patient often has enlarged inguinal lymph nodes. D) It is caused by Yersinia pestis. E) The patient has fever, headache, nausea, weakness.