Lab 3

Question 1

Atoms

Answer 1

All organisms consist of basic units of matter

Question 2

Polymers

Answer 2

Made up of smaller molecules called subunits

Question 3

Examples of polymers

Answer 3

Proteins, lipids, and carbohydrates.

Question 4

Enzymes

Answer 4

Proteins that speed chemical reactions

Question 5

Amino Acids

Answer 5

Make up proteins when joined together.

Question 6

Peptide

Answer 6

A chain of two or more amino acids

Question 7

Peptide bond

Answer 7

Bond between the amino acids.

Question 8

Polypeptide

Answer 8

Very long chain of amino acids.

Question 9

Carbohydrates

Answer 9

Include sugars and molecules that are chains of sugars.

Question 10

Glucose

Answer 10

Has only one sugar unit, is a monosaccharide.

Question 11

Maltose

Answer 11

Has two sugar units, is a disaccharide

Question 12

Lipids

Answer 12

Compounds that are insoluble in water and soluble in solvents, such as alcohol and ether.

Question 13

Fat and Oils

Answer 13

Composed of three molecules of fatty acids bonded to one molecule of glycerol.

Question 14

Phospholipids

Answer 14

Have the same structure as fats except that in place of the third fatty acid, there is a phosphate group.

Question 15

Steroids & Cholesterol

Answer 15

Steroids are derived from cholesterol and have skeletons of four fused rings of carbon atoms, differ by functional groups.