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(01.02 MC)Humans are able to produce 20 different amino acids, which have side chains with differing properties. How does the variation in amino acids’ side chains affect a cell?

(03.04 MC)Bacteria can develop mutations that provide them with resistance to antibiotic medications. Why would giving multiple antibiotics at once be less likely to create a population of resistant bacteria?

(02.01 MC)Which statement correctly compares the pH of water to that of other substances?

(02.05 MC)Which of the following is a product of cellular respiration?

(01.03 MC)An important step in the evolution of cells from vesicles was the evolution of

(02.03A MC)Which of the following is not supported by the endosymbiotic theory?

(01.01 MC)A sports drink company develops a new product that is advertised to decrease soreness after rigorous exercise. Which of the following evidence of this claim would the scientific community accept as the most reliable?

(02.04 MC)The diagram below shows a cell placed in a solution.Only water is allowed to move in and out of the cell. What will most likely happen to the cell?

(02.03 MC)When plants wilt, their soft stems and leaves begin to droop. What is going on inside the plants’ cells that causes plants to droop like this?

(01.01 MC)Farmers want to release a non-native insect in the fields that feeds on weeds. Before they do this, they consult a team of scientists and ask them to conduct a study that will determine the insects’ effects on the farm land. What can you infer about why farmers need the information from this study?