The products of the Krebs cycle include
A. ATP, NADH, FADH2, CO2
B. ATP, NAD+, FAD, CO2
C. ATP, H2O, O2
D. ADP, CO2, H2O
E. NADH, FAD+, CO2
Answer: A. ATP, NADH, FADH2, CO2
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AP Biology
- The three basic variables that make up the life history of an organism are
- Natural selection involves energetic trade-offs between
- Which of the following can contribute to density-dependent regulation of populations?
- Which of the following is an example of Batesian mimicry?
- Which of the following is an example of aposematic coloration?
- Which of the following best describes resource partitioning?
- Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?
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- Which of the following is the most accepted hypothesis as to why invasive species take over communities into which they have been introduced?
- During the course of the formation of a parasite/host relationship, a critical first step in this evolution would be
- Based on the experimental results, which of the following is the best evolutionary explanation for the occurrence of ARD in C. elegans?
- Which of the following conclusions is most consistent with the data shown in Figure 2?
- The average brood size per mated individual upon reintroduction of food following 30 days of ARD is closest to which of the following?
- Which of the following best describes the reproductive ability of C. elegans following the ARD induced in the first experiment?
- A scientist is evaluating a proposal for raising large numbers of fish in ocean pens for human consumption. As part of the evaluation, the scientist is designing a plan for investigating how fish in the ocean pens might affect nearby ecosystems. Which of the following is the most appropriate factor to use as the dependent variable in the experimental investigation?
- If a dam is built downstream and prevents salmon migration to the test sites, which of the following most accurately predicts the impact on nitrogen influx?
- Which of the following pieces of additional data would help further investigate the relationship between bears, salmon, and influx of nitrogen into the local environment?
- Which of the following most likely describes how the interaction between bears and salmon influences nitrogen dynamics in the environment?
- Which of the following statements is best supported by the data?
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- Density-dependent factors are related to which of the following?
- As N approaches K for a certain population, which of the following is predicted by the logistic equation?
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