Biomolecules (Macromolecules)

What are proteins made of?

• Nucleotides

• Amino acids

• Fatty acids

• Carbohydrates

What is the ratio of elements in carbohydrates?

• 1:1:1

• 1:2:1

• 2:1:2

• 1:3:1

What is the function of nucleic acids?

• To provide energy for cellular processes.

• To store and transmit genetic information.

• To act as enzymes in biochemical reactions.

• To form the structural components of cells.

Are carbohydrates necessary for chemical reactions in our body?

• True

• No

• Only in certain conditions

• Not at all

What is a polysaccharide?

• A type of protein made of amino acids.

• A carbohydrate that consists of multiple monosaccharides linked together.

• A lipid that stores energy in the body.

• A vitamin that helps in metabolic processes.

What is the primary function of carbohydrates in living organisms?

• To provide energy and support cellular structure.

• To store genetic information.

• To act as enzymes in biochemical reactions.

• To transport oxygen in the blood.

What is the difference between saturated and unsaturated fats?

• Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.

• Saturated fats are liquid at room temperature, while unsaturated fats are solid.

• Saturated fats contain more calories than unsaturated fats.

• Saturated fats are healthier than unsaturated fats.

What is a monosaccharide?

• A type of complex carbohydrate made of multiple sugar molecules.

• The simplest form of carbohydrates, consisting of a single sugar molecule.

• A sugar molecule that is only found in fruits.

• A synthetic carbohydrate used in food processing.

What is the role of enzymes in biochemical reactions?

• To speed up chemical reactions by lowering the activation energy.

• To slow down chemical reactions by increasing the activation energy.

• To act as a substrate in biochemical reactions.

• To convert energy from one form to another.

What are lipids primarily used for in the body?

• Energy storage, insulation, and making up cell membranes.

• Transporting oxygen in the blood.

• Producing hormones and enzymes.

• Breaking down carbohydrates for energy.