Biological molecules and enzymes

Carbohydrates are made of which element(s)?

• Carbon

• Nitrogen

• Oxygen

• Hydrogen

• Sulfur

Which is/are simple sugars?

• Fructose

• Maltose

• Glucose

• Sucrose

• Starch

Which is/are double sugars?

• Cellulose

• Maltose

• Glucose

• Sucrose

• Glycogen

Which is/are complex sugars?

• Glycerol

• Lactose

• Starch

• Cellulose

• Glycogen

Maltose is made from

• Glucose + Glucose

• Glucose + Fructose

• Sucrose + glucose

• Starch + glucose

Which is the substrate of amylase?

• Glycogen

• Starch

• Fats

• Proteins

• Maltose

Which is the main source of energy for mammals and plants?

• Starch

• Glycogen

• Glycerol

• Fatty acids

• Glucose

Proteins are made of which element(s)?

• Carbon

• Oxygen

• Nitrogen

• Hydrogen

• Sodium

1)________ chemically combine to form 2)________, which then combine to form a large protein

• 1) glycerol, 2) polypeptides

• 1) amino acids, 2) polypeptides

• 1) glucose, 2) amino acids

• 1) polypeptides, 2) amino acids

Starch is found in

• Plants only

• Animals only

• Plants and animals