Organic Chemistry (Ch03) Practice Questions (Page 2 of 2) in pdf

Organic chemistry (ch03) Practice Questions

Name:

12. Nucleotides are the monomers or building blocks for

A) nucleic acids

B) triglycerides

C) polysaccharides

D) proteins

13. A triglyceride is a type of lipid made of

A) one glycerol and two fatty acids

B) one glycerol, two fatty acids and a phosphate group

C) one glycerol and three fatty acids

D) three fatty acids

14. Saturated fatty acids (MARK ALL THAT APPLY)

A) Have double bonds between the carbons

B) Have only single bonds between carbons

C) Are usually found in animal fats

C) Are usually found in plant fats

E) Have long be linked to heart disease

15. Which of the following is a polymer or macromolecule? (MARK ALL THAT APPLY)

A) True fats

B) Steroid

C) Nucleic acid

D) Cellulose E) Phospholipids

16. A triglyceride contains ____ fatty acids chains whereas a phospholipid contains ____

A) two, three

B) three, three

C) three, four

D) three, two

17. Alpha helices and beta plated sheets are examples of ____ structure produced by hydrogen bonds

A) primary

B) secondary

C) tertiary

D) quaternary

18. Amino acids are monomers used to build

A) nucleic acids B) triglycerides

C) polysaccharides

D) proteins

E) steroids

19. A nucleotide, is made of which of the following chemical components?

A) a nitrogen-containing base, a phosphate group, and a sugar

B) a nitrogen-containing base, an amino acid, and a 5-carbon sugar

C) a nitrogen-containing base, an amino acid, and a phosphate group

D) a nitrogen-containing base, a fatty acid, and an amino acid

20. Cell membranes, muscle cells, and tendons contain ____ proteins; and enzymes and some hormones

are ____ proteins.

A) Structural, energy storage

B) Energy storage, functional

C) Structural, regulator

D) saturated, unsaturated

21. Water is an organic molecule…………………………………………………………TRUE/ FALSE

22. All steroids are hormones….…………………………………………………………TRUE/ FALSE

23. Amino acids contain both amino and carboxyl functional groups……………………TRUE/ FALSE

24. Phospholipids have hydrophilic tails and hydrophobic heads……………………….. TRUE/ FALSE

25. Glycogen is the carbohydrate found in plant cell walls……………………………… TRUE/ FALSE

26. Lipids with carbon-carbon double bonds tend to be more solid at room temperature.. TRUE/ FALSE

General Biology

Instructor: José Bava, Ph.D

Organic Chemistry (Ch03) Practice Questions Page 2

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