Unit 3: Cellular Energetics
Showing 20 of 37 questions
Based on the data, which wavelength of light is most effective for driving photosynthesis?
The low rate of oxygen production under green light is best explained by the fact that
The white light control produced slightly less oxygen than red light alone. Which explanation best accounts for this observation?
Based on the data, what is the approximate ratio of oxygen production under red light to oxygen production under green light? Round to the nearest whole number.
The oxygen released during photosynthesis comes from the splitting of which molecule?
Which of the following correctly describes where the Krebs cycle (citric acid cycle) takes place?
During cellular respiration, the majority of ATP is produced during which process?
If a poison blocks the electron transport chain, which of the following would be a direct consequence?
A cell is provided with glucose labeled with radioactive carbon (¹⁴C). After complete aerobic respiration, in which molecule(s) would the ¹⁴C label appear?
Which molecule serves as the final electron acceptor in the electron transport chain during aerobic respiration?
In the absence of oxygen, yeast cells can produce ethanol and CO₂ through fermentation. What is the primary biological purpose of fermentation?
Which of the following best explains why the Calvin cycle is considered light-independent but not light-unrelated?
During the light reactions of photosynthesis, the proton gradient used to drive ATP synthesis is established across which membrane?
Glycolysis breaks down one molecule of glucose into two molecules of
Based on the data, which substance provided the highest rate of cellular respiration?
The control group (water only) still produced 6.1 mL of CO₂. The best explanation for this is that
If the experiment were repeated at 10°C instead of 25°C, how would the CO₂ production most likely change?
The chemiosmotic hypothesis explains ATP synthesis by describing how
In photosynthesis, carbon fixation refers to
The net ATP yield from glycolysis per molecule of glucose is how many ATP?
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