The photosensitive pigment synthesized from vitamin A is

A) retinal.
B) transducin.
C) opsin.
D) rhodopsin.
E) cGMP.


A) retinal.

Anatomy & Physiology

You might also like to view...

Which is the most abundant type of enzyme found in erythrocytes?

a. those involved in glycolysis reactions b. those involved in Citric acid cycle reactions c. those associated with oxidative phosphorylation d. both (a) and (c) e. they do not contain any enzymes

Anatomy & Physiology

Which is not correct regarding the spleen?

A. Its white pulp consists of lymphatic cells. B. It has an outer cortex and inner medulla. C. It is divided into sections by capsular extensions called trabeculae. D. Its blood is supplied by the splenic artery and drained by the splenic vein. E. It stores erythrocytes.

Anatomy & Physiology

The connective tissue of ________ adults is less elastic and less flexible.

A. older B. younger

Anatomy & Physiology

An executive coach is most likely to be which one for a manager?

A. a person external to the organization B. the manager's boss C. the manager's boss's boss D. director of human resources E. a former professor of the manager

Anatomy & Physiology