I prepared this hub to help those who are studying Biology I: Molecular and Cells. This hub is complementary to my hub linked on the bottom of this text. I hope this hub will a help to many biology students, and if any of you have any biology questions, please don't hesitate to leave a comment.

a) they contain functional groups.

b) they exist as isomers.

c) the covalent bonds between hydrogen and carbon are nonpolar.

a) oxidation.

b) dissociation.

c) condensation.

d) reduction.

e) hydrolysis

a) it has a very reactive primary structure.

b) it ionizes.

c) it is a polysaccharide.

d) it is hydrophobic.

e) it has polar hydroxyl groups that interact with polar water molecules.

a) a hexose can be polymerized, but a pentose cannot.

b) a hexose always has six hydroxyl groups, and a pentose always has five.

c) a hexose is hydrophilic, and a pentose is hydrophobic.

d) a hexose is saturated, and a pentose is undersaturated.

e) a hexose always has six carbons, but a pentose always has five carbons.

a) polysaccharide-cellulose

b) hexose-glucose

c) disaccharide-sucrose

d) monsaccharide-maltose

e) pentose-ribose

a) three fatty acids and one glycerol.

b) three glycerols and one fatty acid.

c) one fatty acid, one phosphate, and one glycerol.

d) one fatty acid, one amino acid, and one glucose.

e) two fatty acids and three glycerols.

a) only one hydrophobic end.

b) a hydrophobic and a hydrophilic portion.

c) two polar ends.

d) only one hydrophilic end.

e) two hydrophobic ends.

a) polypeptides.

b) polysaccharides.

c) triacylglycerols.

d) phospholipids.

e) structural proteins.

a) fatty acid.

b) polysaccharide.

c) adenosine triphosphate.

d) cholesterol.

e) nucleic acid.

a) amino acids.

b) fatty acids.

c) nucleotides.

d) monosaccharides

e) carotenoids

1. c
2. c
3. e
4. e
5. d
6. a
7. b
8. d
9. e
10. c