IGCSE Biological Molecules & Enzymes

Contains Hydrogen and Carbon only...

• Carbohydrate
• Fatty Acid
• Protein
• Starch

Turns Blue-Black when testing for Non-Reducing Sugars...

• Benedicts soln
• Biuret soln
• Iodine soln
• Ethanol soln

DNA stands for......

• Deoxy ribose Nucleus Acid
• Digested ribose Nutter Acid
• Deoxy ribulose Nucleic Acid
• Deoxy ribose Nucleic Acid

A characteristic carried on a chromosome that codes for a protien is....

• DNA
• Polypeptide
• Gene
• Chromatid

A positive test for the Biuret test goes....

• Blue-black
• Purple
• White
• Brick red

Needed to avoid the disease known as Scurvy....

• Magnesium
• Vitamin C
• Iron
• Vitamin D

A good source of vitamins and minerals.....

• Fresh fruit
• Meat
• Fish
• Eggs

Vital for bone and teeth repair....

• Iron
• Copper
• Calcium
• Magnesium

Contains Hydrogen, Carbon, Oxygen and made in cells....

• Molecules
• Carbohydrate
• Hydrocarbon
• Organic

Cellulose is a....

• Protein
• Polysaccharide
• Lipid
• Mineral