Exam 2: Some Basic Chemistry

Which organic molecule is NOT part of cell membranes?

The normal pH range of blood is ____________________.

The active site of an enzyme is the place where the ____________________ molecule(s) fit.

Which element is NOT paired with its correct symbol?

At the end of an enzymatic reaction, the enzyme itself is ____________________.

For sodium, sulfur, zinc, and chlorine, the correct chemical symbols, in order, are:

A synthesis reaction involves:

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

The genetic material of the chromosomes of a cell is ____________________.

Glucose is a monosaccharide called a ____________________ sugar.

Which statement is NOT true of covalent bonds?

The purpose of a buffer system is to prevent large changes in the ____________________ of body fluids.

The polysaccharide that stimulates peristalsis of the colon is ____________________.

The mucus of the large intestine is an example of the ____________________ function of water.

The carbohydrates that form self antigens on cell membranes are the ____________________.

A heavy metal ion may exert toxic effects by blocking the ____________________ of enzymes.

When the bicarbonate buffer system buffers the strong acid HCl:

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

Glucose, fructose, and galactose are:

Heat may disrupt the functioning of an enzyme because: