chp4

Question 1

What are chains called

Answer 1

Polymer

Question 2

What are sub chains called

Answer 2

Monomer

Question 3

Carbohydrates are made of

Answer 3

C H O

Question 4

Ex of carbohydrate

Answer 4

Glycogen starch cellulose

Question 5

Where is glycogen and stretch stored

Answer 5

Cytoplasm of plants and animal cells

Question 6

Simple soluble sugars

Answer 6

Monomer glucose

Question 7

Glucose molecules combine to form

Answer 7

More complex molecules

Question 8

Ex of complex molecules

Answer 8

Starch cellulose and glycogen

Question 9

Complex molecules are also called

Answer 9

Polysaccharides

Question 10

What does large branching structures mean

Answer 10

They’re not very soluble in water therefore cannot pass through cell
Membranes

Question 11

What is cellulose made of

Answer 11

Chains of glucose

Question 12

Lipids

Answer 12

C H O N

Question 13

Sub unit of lipids

Answer 13

Fatty acids glycerol

Question 14

Name of a fat molecule

Answer 14

Triglyceride

Question 15

Functions of fat molecules

Answer 15

Insoluble in water
Storage form of energy

Question 16

Proteins

Answer 16

C H O N

Question 17

Proteins sub units

Answer 17

Amino acids

Question 18

Enzymes

Answer 18

Speed up or catalyze chemical reactions

Question 19

Proteins functions

Answer 19

Form the major structural components of cells like cell membrane mitochondria ribosomes and chromosomes

Question 20

Starch experiments

Answer 20

Mix starch powder and warm water to make a starch suspension then in a test tube add a few drops of iodine solution

Question 21

Presence of starch color

Answer 21

Iodine changes from
Brown to blue

Question 22

Test for reducing sugars

Answer 22

Heat glucose solution and add Benedict solution

Question 23

Color for reducing sugars

Answer 23

Blue to green to yellow then to red

Question 24

Test for protein

Answer 24

Albumen solution protein found in egg then add the biurret reagent

Question 25

Color for protein

Answer 25

Pale blue to purpke

Question 26

Test for fats

Answer 26

Couples drops of cooking oil with ethanol then shake then add a bit of water

Question 27

Color fats

Answer 27

Turns milky white

Question 28

Fats color

Answer 28

Turns milky white

Question 29

Vitamin c test

Answer 29

Lemon juice and blue dye solution it should decolorize