If the pH of a patient’s body fluids decreases from 7.4 to 7.2, we know that the concentration of H+ has _______.

Which of the following groups are made of all organic, biological macromolecules?

Adenosine triphosphate is a special nucleotide used by cells to store energy for efficient use.

Which of these characterizes a positive feedback response in the human body?

Which stage of cellular respiration produces the most ATP, and where does it occur?

Which of these do all lipids have in common?

Which of these is not one of the common ions of the body?

When we see two lines connecting atoms on a structural formula of a molecule, we know this means the two atoms are sharing two pairs of electrons with each other.

Water is classified as ______ because part of the molecule tends to be negatively charged and other parts tend to be positively charged.

Energy is released from nutrients (such as glucose) through ________ reactions.  The harnessed energy is stored in _________ molecules.