حیاتی کیمیا

Proteins are polymers of:

• 1 Amino acids
• 2 Nucleotides
• 3 Fatty acids
• 4 Glucose

Starch is a polymer of:

• 1 Ethene
• 2 Amino acids
• 3 Glucose
• 4 Glycerol

Fats are esters of glycerol and:

• 1 Sugars
• 2 Fatty acids
• 3 Amino acids
• 4 Alcohol only

Which vitamin is fat soluble?

• 1 Vitamin A
• 2 Vitamin C
• 3 Vitamin B
• 4 Vitamin B12

Enzymes are biological:

• 1 Salts
• 2 Catalysts
• 3 Fuels
• 4 Acids

Glucose has the formula:

• 1 C6H12O6
• 2 C6H6
• 3 CH4
• 4 C12H22O11

Which nutrient gives the most energy per gram?

• 1 Vitamins
• 2 Fats
• 3 Proteins
• 4 Carbohydrates

DNA stores:

• 1 Genetic information
• 2 Energy only
• 3 Water
• 4 Salts

Cellulose is the main part of:

• 1 Bones
• 2 Animal cells
• 3 Plant cell walls
• 4 Blood