According to this figure, how do hydrogen ions make their way from the stroma to the thylakoid interior?
A) through photosystem I
B) through an electron transport chain molecule
C) through the ATP synthase
D) directly through the phospholipids of the thylakoid membrane
Answer: B
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The proposed common ancestor to all animals, shown at the left of the evolutionary tree, was a
A. bacterium. B. protist. C. plant. D. None of the answer choices is correct. E. fungus.
Which statement describes bacteria?
a. Most bacteria are harmful. b. Bacteria only inhabit surfaces. c. Bacteria outnumber human cells in our bodies. d. Bacteria are restricted in their distribution to certain ecosystems. e. Bacteria are the most common organisms in the Domain Eukarya.
A hormonal signal is detected by ____
a. chloroplasts b. transport proteins c. receptor proteins d. statoliths e. plasma membranes
During which process would a cell plate form?
A) cytokinesis in an animal cell B) cytokinesis in a plant cell C) mitosis in an animal cell D) mitosis in a plant cell