Food

Question 1

Food is needed for

Answer 1

Energy
Growth of new cells
Repair cells
Making chemicals needed for metabolism

Question 2

Elements in food

Answer 2

Hydrogen 
Carbon
Oxygen 
Nitrogen 
Phosphorus
Sulfur

Question 3

Elements in salts

Answer 3

Sodium
Magnesium 
Chlorine
Potassium 
Calcium

Question 4

Trace elements

Answer 4

Cooper
Iron
Zinc

Question 5

Biomolecules

Answer 5

Chemicals found inside living things

Question 6

Examples of biolmolecules

Answer 6

Starch
Glucose
Keratin

Question 7

Monosaccharides are

Answer 7

Smallest unit if carbohydrates
Sweet
Soluble

Question 8

Eg of monosaccharides

Answer 8

Glucose

Question 9

Disaccharides

Answer 9

Two monosaccharides joined together

Sweet and soluble

Question 10

Eg if disaccharides

Answer 10

Sucrose
Maltose
Lactose

Question 11

Polysaccharides

Answer 11

Many monosaccharides linked together
Insoluble
Not sweet

Question 12

Eg of polysaccharides

Answer 12

Starch and cellulose

Question 13

Starch

Answer 13

Stored in plants eg patatoes

Question 14

Cellulose

Answer 14

Used in cell walls and fiber in diet

Question 15

Glycogen

Answer 15

Stored by animals in liver and muscles

Question 16

Smallest unit of lipid

Answer 16

Triglyceride

Question 17

Triglycerides

Answer 17

1 glycerol and 3 fatty acids

Question 18

Phospholipids

Answer 18

Substances were one of the fatty acids is replaced by a phosphate group

Question 19

Eh of phospholipid

Answer 19

Cream and butter

Question 20

Protein is made up of

Answer 20

Amino acid units

Question 21

How many amino acids in a peptide

Answer 21

Less than 20

Question 22

How many amino acids in a polypeptide

Answer 22

More than 20

Question 23

How many amino acids in a protein

Answer 23

At least 200

Question 24

What shape do proteins fold into to function properly

Answer 24

3D

Question 25

Two types of proteins

Answer 25

Fiberous | Globular

Question 26

Fibrous proteins

Answer 26

Little folding eg keratin

Question 27

Globular proteins

Answer 27

Lots of folding eg enzymes and hormones

Question 28

Metabolic role of vitamin c

Answer 28

Helps wounds heal

Question 29

Defiency of vitamin c

Answer 29

Scurvy

Question 30

Metabolic role of vitamin d

Answer 30

Maintains healthy teeth and bones

Question 31

Deficiency in vitamin d

Answer 31

Rickets in children

Question 32

Keratin

Answer 32

Hair

Question 33

Collogen

Answer 33

Skin

Question 34

Myosin

Answer 34

Muscle

Question 35

Cellulose forms

Answer 35

Cell walls

Question 36

Stored lipids..

Answer 36

Heat insulation

Question 37

Metabolic role of carbohydrates

Answer 37

Release energy

Question 38

Protein enzymes

Answer 38

Control reactions

Question 39

Protein Antibodies

Answer 39

Fight infection

Question 40

Protein hormones

Answer 40

Regulate body reactions

Question 41

Metabolic role of lipids

Answer 41

Release energy

Question 42

Functions it minerals

Answer 42

Form biomolecules | Make body parts soft

Question 43

Two minerals in plants

Answer 43

Magnsium | Calcium

Question 44

Magnesium in plants

Answer 44

Form chlorophyll

Question 45

Calcium in plants

Answer 45

Form cell walls

Question 46

Minerals in animals

Answer 46

Iron | Calcium

Question 47

Iron in animals

Answer 47

Form haemoglobin

Question 48

Calcium in animals

Answer 48

Form strong bones

Question 49

How much cell mass does water take up

Answer 49

70-95%

Question 50

Water is a component of..

Answer 50

Cyctoplasm

Question 51

Water is a great

Answer 51

Solvent

Question 52

Water transports

Answer 52

Substances

Question 53

Water participates in

Answer 53

Chemical reactions

Question 54

Metabolism

Answer 54

All chemical reactions in an organism

Question 55

Anabolic

Answer 55

Convert smaller molecules into complex omes

Question 56

Ex of anabolic

Answer 56

Photosynthesis

Question 57

Catabolic

Answer 57

Convert complex molecules into smaller ones | Release energy

Question 58

Ex of catabolic

Answer 58

Respiration/ digestion

Question 59

Buiret solution is

Answer 59

Sodium hydroxide and copper sulfate