Exam 2: Some Basic Chemistry

An acid has more ____________________ ions than does a neutral solution.

Which element is NOT paired with its correct symbol?

Which statement is NOT true of the elements in the human body?

When a buffer system forms a weak acid from a strong acid:

A decrease in pH may disrupt the functioning of an enzyme because:

A cation has:

Cholesterol is the precursor molecule from which ____________________ hormones are made.

The sense of taste depends on the ____________________ function of water.

On the pH scale, acids are indicated by numbers:

The waste product of cell respiration is:

The body as a whole changes temperature slowly because the body is mostly ____________________.

A large molecule made of the elements C, H, O, N, and P would most likely be a ____________________.

Biologically useful energy is released in cell respiration in the form of ____________________.

Which of the following are energy-storage molecules?

The purpose of cell respiration is to produce:

The bonds that hold the two chains of an insulin molecule together are:

The polysaccharide that humans cannot digest is ____________________.

The raw materials of cell respiration are ____________________ and ____________________.

The number of positive or negative charges an ion has is called its ____________________.

Which of the following statements are true of elements? (Read carefully and select all of the correct statements.)