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The concentration of ___________ in a solution determines its pH.

The central dogma of molecular biology states that

Which of the following statements about the electron transport chain is true? Select all that apply.

The gene Q is involved in the formation of a widow’s peak hairline, which is dominant. An organism is homozygous dominant for trait “Q.” Which statement is correct?

Asbestos is a material that was once used extensively in construction. One risk from working in a building that contains asbestos is the development of a disease called asbestosis, caused by the inhalation of asbestos fibers. Cells in the lungs will take up asbestos by phagocytosis but are not able to degrade it. As a result, asbestos fibers would be most likely to accumulate in what location inside the cell?

Which of the following involves an increase in entropy?

Which of the following are LEAST likely to diffuse through the phospholipid membrane?

The figure shows the structures of glucose and fructose.  These two molecules differ in the ____________.

Thylakoids, DNA and ribosomes are all components found in ______.

Which of the following metabolic pathways normally occurs regardless of whether oxygen is present?