4 Macromolecules

Question 1

All living things are made up of four classes of large biological molecules

Answer 1

Carbohydrates
Lipids
Proteins
Nucleic Acids

Question 2

polymer

Answer 2

a long molecule consisting of many similar building blocks

Question 3

Three of life’s organic molecules are polymers

Answer 3

carbohydrates, proteins, nucleic acids

Question 4

Synthesis & Breakdowns of macromolecules

Answer 4

bond through dehydration

disassembles into monomers by hydrolysis reactions

Question 5

Carbohydrates used as

Answer 5

energy source, structure, and storage molecule

Question 6

Starch

Answer 6

A storage polysaccharide of plants

Question 7

Glycogen

Answer 7

a storage polysaccharide in animals

Question 8

Cellulose

Answer 8

Major component of plant cell walls

Question 9

Chitin

Answer 9

Structural polysaccharide

Question 10

Lipids structure

Answer 10

constructed from glycerol and fatty acids

Question 11

Saturated vs non-saturated fats

Answer 11

saturated C-H

non-saturated C=H

Question 12

phospholipids

Answer 12

two fatty acids tails and one phosphate group

Question 13

steroids

Answer 13

lipids with a carbon skeleton consisting of four fused rings

cholesterol

Question 14

Monomers of proteins

Answer 14

amino acids/peptides

Question 15

Structure

Answer 15

Each has an aminio group (N), carboxyl group (O=C-OH), and a variable group (R

Question 16

structural levels of proteins

Answer 16

primary- linear sequence of amino acids
secondary- folding or coiling
tertiary- overall three dimensional shape
quaternary- overall structure including two or more polypeptide subunits

Question 17

Nucleic Acids contain

Answer 17

C, O, H, N and P

Question 18

DNA vs RNA bases

Answer 18

AGCT (DNA)

AGCU (RNA)