Which of the following sequences correctly represents the flow of electrons during photosynthesis?
A) NADPH ? O2 ? C O2
B) H2O ? NADPH ? Calvin cycle
C) NADPH ? chlorophyll ? Calvin cycle
D) NADPH ? electron transport chain ? O2
B
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After consulting a biological or scientific dictionary, explain the derivation from the Greek of the word symbiosis
What will be an ideal response?
Dolphins (which are mammals) and sharks (which are fish) have stiff dorsal fins projecting from their backs that help them maneuver through water. What are these structures BEST described as?
A) analogous structures. (B) homologous structures. (C) vestigial structures. (D) mutations.
Unlike most enveloped viruses, herpes viruses involve the host ________ membrane in the formation of their envelope.
A. nuclear B. plasma C. mitochondrial D. None of the choices are correct.
Which of the following root tissues gives rise to lateral roots?
A) endodermis B) phloem C) epidermis D) pericycle