Food

Question 1

Elements in Carbohydrates

Answer 1

CHO

Question 2

sources of carbohydrates

Answer 2

bread, pasta

Question 3

what is a monosaccride

Answer 3

sub unit of a carbohydrate

Question 4

what is a general formula for a carbohydrate

Answer 4

Cx(H2O)y

Question 5

name a monosaccride

Answer 5

glucose

Question 6

what is a disaccharide

Answer 6

2 single sugar units joined together

Question 7

name an example of a disaccharide

Answer 7

maltose. sucrose

Question 8

what is a polysaccride

Answer 8

many simple sugar units joined together

Question 9

example of a structural polysaccharides

Answer 9

cellulose-plant cell walls
chitin

Question 10

example of a metabolic polysaccharide

Answer 10

plants- starch (energy storage)
animals-glycogen

Question 11

name the test for starch

Answer 11

Iodine
blue-black

Question 12

name the test for reducing sugar(glucose)

Answer 12

benedicts solution
(heat)
Blue - Brick red

Question 13

Name the elements in proteins

Answer 13

CHNO

Question 14

protein in found in…

Answer 14

meat,eggs

Question 15

what is a sub unit of a protein

Answer 15

amino acid

Question 16

how many amino acids are there

Answer 16

20

Question 17

Name structural protein

Answer 17

collagen- skin
kreatin- hair and nails

Question 18

what is the metabolic role of proteins

Answer 18

enzymes control reactions
horomones- control reactions and honostatsis

Question 19

where is protein made

Answer 19

ribosome

Question 20

what is the test for protein

Answer 20

biurets solution
blue- violet

Question 21

what is a fibrous protein

Answer 21

slow little folding

Question 22

what is a globular protein

Answer 22

lots of folding
important for metabolism
folded into roughly spherical shape

Question 23

Name the elements in lipids

Answer 23

CHO

Question 24

lipids are found in…

Answer 24

butter, nuts

Question 25

what is a triglyceride and what is it composed of

Answer 25

sub unit of a lipid.
3 fatty acids.
Glycerol

Question 26

what is a phospholipid composed of

Answer 26

glycerol, 2 fatty acids and a phosphate group

Question 27

name structural roles of lipids

Answer 27

insulation and protection of organs
part of cell membranes

Question 28

name metbolic role of lipids

Answer 28

provides energy

Question 29

oils are - at room temp

Answer 29

liquid

Question 30

fats are- at room temp

Answer 30

solid

Question 31

name the test for lipids

Answer 31

brown paper test
pos. permanent translucent stain

Question 32

Name a water soluble vitamin , it’s uses and it’s deficiency disease

Answer 32

Vitamin C, for formation of connective tissue, Iron absorption, Causes Scurvy

Question 33

Name a fat soluble vitamin , it’s uses and it’s deficiency disease

Answer 33

Vitamin D, needed to absorb calcium, Caused Rickets in children

Question 34

Minerals needed in the human body

Answer 34

Calcium - Bones
Iron- Haemoglobin

Question 35

Mineral needed in Plants

Answer 35

Calcium- cell wall
Magnesium- Chlorophyll

Question 36

what is the importance of water

Answer 36

good solvent
temperture regulartion
medium for chemical reactions
transport

Question 37

anabolic reactions

Answer 37

chemical reactions that uses energy to convert smaller molecules into larger ones

Question 38

catabolic reactions

Answer 38

chemical reaction that releases energy when a large molecule is broken down into smaller ones

Question 39

biomolecule

Answer 39

molecules that are involved in the metabolic processes of living organisms