Human blood has a pH of 7.4; therefore, it can be classified as a ________.

A) weak acid
B) strong base
C) strong acid
D) neutral solution
E) weak base

Unlike an exocrine gland, an endocrine gland

A) is a secretory organ.
B) sheds cells with its secretions.
C) has no ducts.
D) contains goblet cells.
E) secretes to a surface.

If employees decide to join together to complain to an employer, but they do not legally form a union, the employer is under no obligation to negotiate with them.

The functions of the epithelia include all of the following, EXCEPT ________.

A) absorption
B) providing physical protection
C) storing energy reserves
D) controlling permeability

The TEAM Act would have made it easier to form nonunion employee representation plans.

Which of the following are rod-shaped bacteria?

A) Vibrio
B) Bacilli
C) Diplococci
D) Spirochete
E) Streptococci

Which of the following is an accurate statement about metabolic pathways?

A) Products are the input molecules.
B) Metabolic pathways tend to be unorganized and unregulated.
C) The same enzyme catalyzes all the reactions in a pathway.
D) Metabolic pathways often intersect one another.
E) A constant supply of new enzymes must be produced to keep the metabolic pathway active.

have a mantle

A) gastropods
B) bivalves
C) cephalopods
D) all mollusk groups

most have a beaklike, biting mouthparts in addition to a radula.

A) gastropods
B) bivalves
C) cephalopods
D) all mollusk groups

The head end of an animal is known as its:

A) posterior end.
B) ventral end.
C) inferior end.
D) lateral end.
E) anterior end.