Polychaetes are the only annelids that possess
a. chaetae.
b. clitellum.
c. parapodia.
d. ganglia.
e. fluid-filled coelomic chambers.
Answer: c
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The Calvin cycle requires all of the following except
A. carbon dioxide. B. oxygen. C. ATP. D. NADPH. E. water.
Ockham's razor could also be called the principle of ____
a. parsimony b. selectivity c. identity d. homogeneity e. exceptionalism
In the Watson-Crick model of DNA structure, the polynucleotide chains are
A. of unequal length. B. both oriented in the same direction. C. arranged with the bases on the outside. D. built with the nucleotides as the backbone. E. oriented in opposite directions.
Electron bifurcation is a useful way for organisms to circumvent the need for ATP hydrolysis and/or a proton motive force because it tightly couples reactions that are thermodynamically unfavorable with those that occur spontaneously, providing an excess of energy to drive the former.
Answer the following statement true (T) or false (F)