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
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A(n) ________ is a homogeneous mixture containing a solvent and a solute
A) emulsion B) blend C) compound D) infusion E) solution
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.
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
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