Match each level of protein structure with its description.

1. applies to proteins containing more than one peptide chain
2. the sequence and number of amino acids in the chain
3. the three-dimensional shape of an amino acid chain; can be fibrous or globular
4. the spatial arrangement of amino acids; can be a helix or a pleated sheet

A. primary
B. secondary
C. tertiary
D. quaternary


1. D. quaternary
2. A. primary
3. C. tertiary
4. B. secondary

Anatomy & Physiology

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Enzymes that differ by a few amino acids but have the same function as the normal enzyme are called

What will be an ideal response?

Anatomy & Physiology

Each receptor has a characteristic sensitivity, such as a touch receptor that is very sensitive to pressure but relatively insensitive to chemical stimuli. This trait is called ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Answer the following questions true (T) or false (F)

1. You should wait to read the textbook until you have heard the material presented in lecture or laboratory. 2. The smallest level of organization in the human body is the cellular level. 3. The endocrine system is responsible for generating heat.

Anatomy & Physiology

Which cerebral hemisphere receives impulses conducted by the right gracile fasciculus?

A) left cerebral hemisphere B) right cerebral hemisphere

Anatomy & Physiology