5424770
Description
Mind Map by Hana Noor-Khan, updated more than 1 year ago
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Created by Hana Noor-Khan
almost 8 years ago
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Biology - Human
Nutrition
- Carbohydrates
- Supply the
energy in cells
- Made from
carbon, hydrogen
and oxygen
- Potatoes, wheat and
rice are starchy
foods
- Storage of
carbohydrates in
animals is glycogen
- Cellulose is carbohydrate
storage for plants in the
cell wall
- Glucose is the the
sugar for animals
- Is needed for
energy
- Tests of glucose
- 1) Add Benedicts solution
to glucose
- 2) Put test tube in
boiling water
- 3) if glucose present will turn green
--> yellow --> orange
- 1) Add Benedicts solution
to glucose
- Testing for starch
- 1) Put starch solution
into a test tube
- 2) Add iodine
- 3) If starch present will turn
from blue --> black
- 1) Put starch solution
into a test tube
- Supply the
energy in cells
- Lipids
- Contain carbon,
hydrogen and oxygen
- Made from
glycerol and
fatty acids
- Is needed for energy
and insulation
- Too much fat can
cause cholesterol
- Butter and
oily fish contain
a lot of fat
- Testing for fat
- 1) Put fat solution
into a beaker
- 2) Add 2cm cubed of
cooking oil
- 3) Shake
- 4) Add 2 cm
cubed of water
- 5) Shake
- 1) Put fat solution
into a beaker
- Contain carbon,
hydrogen and oxygen
- Proteins
- Contain carbon,
hydrogen, oxygen and
nitrogen
- Needed for
growth and
repair
- Meat, fish and
cheese are high in
protein
- Proteins are made up
of long chains of amino
acids
- There are around
20 different types
of amino acids in
the body
- Testing for protein
- 1) Add copper sulphate to the
protein solution
- 2) Mix and add
sodium hydroxide
- 3) If protein present will
turn lilac
- 1) Add copper sulphate to the
protein solution
- Contain carbon,
hydrogen, oxygen and
nitrogen
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