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A scientist is testing a new drug to see if it lowers blood pressure. She gives one group of patients the drug and a control group a placebo. She then measures the blood pressure of both groups after one month. What is the dependent variable in this experiment?

According to the endosymbiotic theory, mitochondria evolved from an ancient aerobically respiring bacterium. This theory helps to explain why which metabolic pathways are located inside the mitochondria?

What is a major difference in the role of electrons in cellular respiration and photosynthesis?

A plant uses light energy to convert carbon dioxide and water into glucose. What can be said about this process?

During the light-dependent reactions of photosynthesis, what is the role of photosystem II?

The process of glycolysis takes place in the cytoplasm of eukaryotic cells. What does the location of this pathway suggest about its evolutionary history?

A human body maintains a high degree of organization and order. How is it able to maintain this low-entropy state?

A person has AB blood type, and their partner has O blood type. The alleles for A and B are codominant, and the allele for O is recessive. What is the probability that their child will have AB blood type?

During the citric acid cycle (Kreb’s cycle), molecules such as NAD+ and FAD are reduced to form NADH and FADH2​. What is the importance of these molecules in the overall process of cellular respiration?

If an E. coli bacterium is placed in a solution that is mildly hypotonic relative to its cytoplasm, what will be the effect on the cell?