Exploring Macromolecules

What are the four main types of macromolecules?

• Carbohydrates, Proteins, Lipids, Nucleic Acids

• Enzymes, Hormones, Antibodies, Starch

• Vitamins, Minerals, Water, Fiber

• Sugars, Amino Acids, Fatty Acids, DNA

Which macromolecule is primarily responsible for building and repairing tissues?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

What is the main function of carbohydrates in living organisms?

• To act as a structural component in cell membranes.

• To facilitate cell division.

• The main function of carbohydrates is to provide energy.

• To store genetic information.

How do lipids contribute to the structure of cell membranes?

• Lipids act as enzymes that speed up chemical reactions in the membrane.

• Lipids are primarily responsible for energy storage in cells.

• Lipids form a bilayer that creates a semi-permeable membrane structure.

• Lipids provide structural support by forming rigid cell walls.

What are nucleic acids and what role do they play in genetics?

• Nucleic acids are lipids that store fat in cells.

• Nucleic acids are carbohydrates that provide structural support.

• Nucleic acids are molecules that store and transmit genetic information, playing a key role in heredity and protein synthesis.

• Nucleic acids are proteins that help in energy production.

Which type of macromolecule includes enzymes?

• Proteins

• Nucleic acids

• Carbohydrates

• Lipids

What is the primary source of energy for living organisms?

• Carbon Dioxide

• Glucose

• Water

• Oxygen

How do saturated and unsaturated fats differ?

• Saturated fats are solid at room temperature and contain no double bonds; unsaturated fats are liquid at room temperature and contain one or more double bonds.

• Unsaturated fats are solid at room temperature and contain one or more double bonds.

• Saturated fats are liquid at room temperature and contain no double bonds.

• Saturated fats contain one or more double bonds and are liquid at room temperature.

What is the basic unit of carbohydrates called?

• Disaccharide

• Glycogen

• Polysaccharide

• Monosaccharide

What is the role of DNA in heredity?

• DNA has no role in the development of traits.

• DNA is only found in the nucleus of a cell.

• DNA is the hereditary material that carries genetic information from parents to offspring.

• DNA is responsible for producing energy in cells.