Biological molecules exit ticket

Starch is a

• Protein

• Carbohydrate

• Lipid

• Mineral ion

Proteins are made up of

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

• All of the above

A positive result for a reducing sugar test is a colour change from

• Blue to brick red

• Blue to purple

• Blue to colourless

• Yellow to blue

Deficiency in iron causes

• Anaemia

• Rickets

• Scurvy

• Constipation

Rouphages "fibres" prevent

• Colon cancer

• Stomach ache

• Obesity

• Fatigue

Benedict's test needs to be heated

• True

• False