Exploring Macromolecules in Biology

This video tutorial by Mrs. Flieg covers the basics of macromolecules, which are essential biological molecules in living organisms. It explains the structure and function of carbohydrates, lipids, proteins, and nucleic acids, highlighting their monomers and polymers. The tutorial also discusses the processes of dehydration synthesis and the importance of these macromolecules in energy storage, structural support, and genetic information storage.

What is the smallest unit of a macromolecule called?

• Dimer

• Monomer

• Polymer

• Trimer

Which element is common to all macromolecules?

• Nitrogen

• Hydrogen

• Oxygen

• Carbon

What is the primary function of carbohydrates in organisms?

• Genetic information storage

• Short-term energy storage

• Structural support for animals

• Long-term energy storage

Which of the following is a disaccharide?

• Cellulose

• Sucrose

• Fructose

• Glucose

What are the building blocks of lipids?

• Monosaccharides

• Glycerol and fatty acids

• Amino acids

• Nucleotides

Which type of fat is solid at room temperature?

• Polyunsaturated fat

• Saturated fat

• Unsaturated fat

• Trans fat

What type of bond holds amino acids together in proteins?

• Glycosidic bond

• Peptide bond

• Ester bond

• Hydrogen bond

Which protein is a key structural component of hair, nails, and skin?

• Actin

• Elastin

• Keratin

• Collagen

What is the building block of nucleic acids?

• Fatty acids

• Nucleotides

• Monosaccharides

• Amino acids

Which macromolecule is responsible for storing genetic information?

• Lipids

• Proteins

• Nucleic acids

• Carbohydrates