As electrons move through the mitochondrial space
A) NADH is reduced.
B) water is oxidized.
C) ATP synthase works by active transport.
D) the pH of the intermembrane space changes.
Answer: D
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Which of the following comparisons of the cellular features of complex charophycean algae and land plants is NOT true?
A. Land plants inherited phragmoplasts from complex charophyceans. B. Land plants inherited plasmodesmata from complex charophyceans. C. Land plants inherited xyloglucans from complex charophyceans. D. Land plants inherited the ability to make cellulose from complex charophyceans. E. Land plants inherited CesA genes from complex charophyceans.
In general, neurons are locked into G1
a. True b. False
Melanin absorbs UV radiation and can therefore protect against some forms of skin cancer. Which type of cells produce melanin?
A. melanocytes B. chondrocytes C. actinocytes D. lymphocytes E. osteocytes
Which of the following organisms does NOT have pseudopodia?
a. amoeba b. euglenid c. radiolarian d. foraminiferan