Which of the following statements about the cyclic pathway is false?
a. In the cyclic pathway, electrons moving through the ETC power the pumping of hydrogen ions into the thylakoid compartment
b. In the cyclic pathway, electrons lost from the photosystem are returned to it.
c. The cyclic pathway involves type I photosystems but not type II photosystems.
d. The cyclic pathway produces ATP and NADPH.
d
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A true breeding black rabbit is crossed with a true breeding white rabbit to produce an F1 generation with 8 individuals. If blending inheritance were true, which of the following would represent the expected phenotype of the F1 generation?
A. 8 black rabbits, 0 white rabbits, 0 grey rabbits B. 2 black rabbits, 2 white rabbits, 4 grey rabbits C. 0 black rabbits, 0 white rabbits, 8 grey rabbits D. 4 black rabbits, 2 white rabbits, 2 grey rabbits E. 6 black rabbits, 2 white rabbits, 0 grey rabbits
Decompression sickness occurs when which gas forms bubbles in the blood?
a. oxygen b. carbon dioxide c. carbon monoxide d. methane e. nitrogen
An example of homologous structures is the wing of a bat and:a
the arm of a human. b. the wing of a beetle. c. the tail of a whale. d. the leg of a chimpanzee. e. the dorsal fin of a shark
The genetic code is sometimes called “universal,” meaning that all organisms share the same:a
genes. b. coding mechanism. c. ribosomal structure. d. mitochondrial DNA. e. nucleic acid composition.