A carbohydrate consists of

(a) amino acid units.
(b) one or more sugar units.
(c) lipid droplets.
(d) glycerol.


(b) one or more sugar units.

Biology & Microbiology

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Specific regions on an antigen molecule to which the immune response is directed are

A. antigenic determinants. B. an autoimmune response. C. monomers. D. allergens.

Biology & Microbiology

The vascular tissues of plants are composed of

a. epidermis and ground meristem. b. ground tissue. c. xylem and phloem. d. arteries and veins. e. sap and water.

Biology & Microbiology

The leading cause of preventable death in the United States is cardiovascular disease. Which of the following are lifestyle modifications that would lower a person's risk of CVD?

A. lose weight B. lower fat intake C. not smoking D. All of the choices are means of lowering risk for CVD.

Biology & Microbiology

The nucleus of a cell...

What will be an ideal response?

Biology & Microbiology