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Certain substances behave like bank accounts for H+ ions because they can absorb excess H+ ions to keep a solution from becoming too acidic and release H+ ions to keep the solution from becoming too basic. Such molecules are called

Why is ATP is necessary for all living things?

DNA is a

The smallest unit of life that retains all (or most) of the basic characteristics associated with living organisms, such as the ability to reproduce, respond to stimulus, and metabolize energy, is the

Which statement is true about the difference between allergies and intolerances.

Which of the following tests reflects long-term glycemic control over a 2-3 month time period?

The formation of polymers such as polysaccharides or proteins often involves          

Which of the structures in this figure is glucose?

In a phospholipid bilayer, ___ chains are arranged such that they are not in contact with water.

Which of the following is recommended to help manage dry mouth?