A person who is colorblind lacks

A. a gene that encodes the proteins in rod cells.
B. one type of photopigment.
C. corneas.
D. retinas.


Answer: B

Anatomy & Physiology

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An ________ muscle is contained within a region whereas an ________ muscle acts upon one region but has an attachment elsewhere.

A. extraneous; innate B. intrinsic; extrinsic C. extrinsic; intrinsic D. innate; extraneous

Anatomy & Physiology

A(n) ________ is a homogeneous mixture containing a solvent and a solute

A) emulsion B) blend C) compound D) infusion E) solution

Anatomy & Physiology

Which of the following pairs have NO relationship?

a. hydrostatic pressure and osmosis. b. osmotic pressure and osmosis. c. osmotic pressure and colligative properties of solutes. d. all of these pairs have a relationship. e. none of these pairs has a relationship.

Anatomy & Physiology

The dens (odontoid process) is a feature of which of the following bones?

A. Occipital bone B. Mandible C. First cervical vertebra D. Second cervical vertebra E. Temporal bone

Anatomy & Physiology