Exam 16: Amino Acids, Proteins, and Enzymes

Methionine is an amino acid that contains ________.

Write the condensed structural formula of glycine at its pI.

The names of many enzymes can be recognized by the suffix ________.

A compound that binds to an enzyme,and changes its shape so that a substrate cannot enter the active site,is called a(n)________.

Hemoglobin has a total of ________ protein chains in its quaternary structure.

Collagen,a protein found in tendons and cartilage,would be classified as a ________ protein.

What process occurs when heat,acids,bases,and heavy metal ions cause a loss of biological function of a protein?

When two protein chains combine to form an active protein,the structural level is ________.

Amino acids that are not synthesized in the body and must be obtained from the diet are called ________.

The general function of an enzyme in the body is to ________.

The fibrous protein responsible for the structure of hair and wool is ________.

What type of interaction would you expect between the following R groups in the tertiary structure of a protein? and

"Physiological pH," the pH for optimum activity for most enzymes,is a pH equal to about ________.

Most enzymes are ________.

Collagen can be classified as a ________ protein.

A biological catalyst is called a(n)________.

Which of the following is not a function of proteins?

Denaturation of a protein ________.

The presence of enzymes to catalyze bioreactions in our bodies allows ________.