BioChemistry

Question 1

What is a Biological Molecule?

Answer 1

A molecule that an organism is made up of. All cells are built using the same basic molecules.

Question 2

What is a Monomer

Answer 2

Single units, ‘building blocks’, biomolecules add together to make more complex molecules.

Question 3

What is a Polymer?

Answer 3

Long chains of repeated monomers.

Question 4

What is a Monosaccharide?

Answer 4

A carbohydrate momomer.

Question 5

What is a Polysaccharide?

Answer 5

3 or more monosaccharides joined together.

Question 6

What is a Disaccharide?

Answer 6

2 monosaccharides joined together.

Question 7

How much water (H2O) in the body?

Answer 7

65%

Question 8

How much protein in the body?

Answer 8

18%

Question 9

How much fat in the body?

Answer 9

10%

Question 10

How much carbohydrates in the body?

Answer 10

5%

Question 11

How much other organic substances in the body?

Answer 11

1%

Question 12

How much inorganic substances in the body?

Answer 12

1%

Question 13

Protein Test: Reagent

Answer 13

Biuret Solution

Question 14

Protein Test: Special Treatment

Answer 14

-

Question 15

Protein Test: Test tube or Dimple tray?

Answer 15

Dimple tray

Question 16

Protein Test: Colour before

Answer 16

Blue

Question 17

Protein Test: Colour after

Answer 17

Lilac

Question 18

Lipid Test: Reagent

Answer 18

Ethanol and Water

Question 19

Lipid Test: Special Treatments

Answer 19

Shake

Question 20

Lipid Test: Test tube or Dimple tray?

Answer 20

Test tube

Question 21

Lipid Test: Colour before

Answer 21

Colourless

Question 22

Lipid Test: Colour after

Answer 22

Milky-white

Question 23

Carb-Starch Test: Regeant

Answer 23

Iodine solution

Question 24

Carb-Starch Test: Special Treatments

Answer 24

-

Question 25

Carb-Starch Test: Test tube or Dimple tray

Answer 25

Dimple tray

Question 26

Carb-Starch Test: Colour before

Answer 26

Yellow-brown

Question 27

Carb-Starch Test: Colour after

Answer 27

Blue-black

Question 28

Carb-Sugar Test: Reagent

Answer 28

Benedict's solution

Question 29

Carb-Sugar: Special Treatments

Answer 29

Heated at 80 degrees.

Question 30

Carb-Sugar Test: Test tube and dimple tray

Answer 30

Test tube

Question 31

Carb-Sugar Test: Colour before

Answer 31

Blue

Question 32

Carb-Sugar Test: Colour After

Answer 32

Green (little), Orange/ Brick-red

Question 33

Protein Monomers

Answer 33

amino acids (polymers)

Question 34

Protein Elements

Answer 34

C (Carbon), H (Hydrogen), O (Oxygen), N (Nitrogen), (S) (Sulphur)

Question 35

Protein Examples

Answer 35

Carriers, Defence, Structural, Hormones, Enzymes

Question 36

Protein: What are carriers?

Answer 36

Carry molecules around the body. E.g., haemoglobin (in red blood cells)

Question 37

Protein: What are defense?

Answer 37

produced to attack foreign invaders (pathogens). E.g., antibodies