Epidermal cells secrete a translucent, waxy ____ to slow water loss
a. mesophyll
b. cuticle
c. pectin layer
d. lignin layer
e. trichome
Answer: b. cuticle
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The electron transport chain forms a concentration gradient for H+, which diffuses through ATP synthase complexes,
producing ____. a. ATP b. FAD c. G3P d. NADH e. pyruvate
Amanda was studying turtles based on DNA analysis. Under the current classification scheme, which of the following turtle species are thought to be most closely related? (1) Graptemys ouachitensis, (2) Trachemys scripta, (3) Apalone spinifera, (4) Graptemys kohni.
A. 1 and 4 due to inductive reasoning B. 2 and 3 due to deductive reasoning C. 2 and 3 due to inductive reasoning D. 1 and 4 due to deductive reasoning E. 1 and 3 due to inductive reasoning F. 1 and 3 due to deductive reasoning
Where does the energy come from to drive photosynthesis?
A. A chloroplast B. ATP C. The sun D. Glucose
Which of the following bacterial RNA polymerase subunits is found in the holoenzyme, but not the core enzyme?
A) ? (sigma) B) ? (omega) C) ? (beta) D) ?? (beta prime) E) ? (alpha)