Chapter 5 Test Review

Question 0

What do lipids have in common

Answer 0

Do not mix well with water (hydrophilic)

Question 1

What does a triacylglycerol(fat) look like

Answer 1

1 glycerol + 3 fatty acids

Question 2

Four main classes of large biological molecules

Answer 2

Carbohydrates, lipids, proteins, nucleic acids

Question 3

Chemical process by which cells make make polymers from monomers, and the opposite breaking polymers down into monomers

Answer 3

Dehydration reaction (hydrolysis??????)

Question 4

Know types of polysaccharides

Answer 4

Cellulose, starch, glycogen, chitin

Question 5

C18H36O2 is a

Answer 5

Fatty acid

Question 6

How do amino acid molecules bond

Answer 6

Peptide bonds (covalent bonds-dehydration reaction)

Question 7

Which level of protein structure is interactions between the side chains (R groups) most important

Answer 7

Secondary

Question 8

Information flow in eukaryotic cells

Answer 8

DNA to RNA to PROTEINS

Question 9

If DNA is 15% adenine how much is thymine

Answer 9

15%

Question 10

Parts of a nucleotide

Answer 10

Nitrogenous base
5 carbon sugar (pentose)
Phosphate group

Question 11

What is an enzyme

Answer 11

A macromolecule serving as a catalyst, a chemical agent that changes the rate of a reaction without being consumed by the reaction

Question 12

2 main functions of polysaccharide

Answer 12

Storage material (provide sugar)
Building material (structures that protect )