Chapter 3, Problem 2SC

Which of the following is NOT a function of carbohydrates? A. Carbohydrates are key components of receptors and recognition molecules on the surface of cells. B. Carbohydrates are major energy sources of cells. C. Carbohydrates are determinants of growth and differentiation. D. Carbohydrates are structural components of plant cells. E. Carbohydrates are involved in the transmission of genetic information.

a polysaccharide that is formed in plants to store glucose is  a. starch  b. glycogen  c. lipid d. sucrose e. fructose

Proteins are synthesized from: Select one: a Fatty acids. O b. Amino acids c. Carbon, Hydrogen and Oxygen d. Carbon, Hydrogen, Oxygen and Nitrogen. le (b) and (d) are correct

Which of the following lipids is used for energy storage? A. glycolipids B. glycerophospholipids C. sphingolipids D. triacylglycerols

match each type of molecule with its characteristics: a. starch b. glycogen c. fat d. nucleotide i. stores energy in plants ii. consists of a pentose sugar, phosphate, and nitrogenous base iii. 3 fatty acids attached to a glycerol iv. a branched polysaccharide in animals select one: a. a-i, b-iii, c-ii, d-iv b. a-i, b-iv, c-iii, d-ii c. a-iii, b-iv, c-iii, d-i d. a-ii, b-iv, c-iii, d-i e. a-iv, b-i, c-ii, d-iii

Which of the following statements about amino acids is true? A. Twenty two amino acids are commonly found in proteins. B. Amino acids are often linked together to form branched polymers. C. All amino acids contain an NH2 and a COOH group. D. Most of the amino acids used in protein biosynthesis have charged side chains.

A triglyceride contains a. glycerol and three fatty acids.b. glycerol and two fatty acids.c. protein and three fatty acids.d. a fatty acid and three sugars.

hoose the reagents that help unfold the protein molecules into same shape and charge density.   a. beta-mercaptoethanol (β-ME)   b. poly-acrylamide   c. TEMED   d. sodium-dodecyl-sulfate (SDS)

Which of the following statements is true about Chitin ?   a. short, branching chains of nitrogen-containing sugar monomers are linked by hydrogen bonds   b. found in the nucleus of fungi and inner skeletons of insects, spiders, and shrimp   c. weak, translucent, and stiff structural material   d. polysaccharide similar to cellulose