Biological Macromolecules and Processes

The video covers AP Biology topics 1.2 and 1.3, focusing on the elements of life and macromolecules. It explains the five basic elements common to all life forms and how they form macromolecules like carbohydrates, lipids, proteins, and nucleic acids. The video introduces the concepts of monomers and polymers, detailing how plants synthesize organic molecules through photosynthesis. It also covers the processes of dehydration synthesis and hydrolysis, explaining how these reactions build and break down polymers.

Which of the following elements is not one of the five basic elements that make up life on Earth?

• Carbon

• Phosphorus

• Sulfur

• Hydrogen

What is the term for a single building block that can join with others to form a polymer?

• Element

• Monomer

• Macromolecule

• Polymer

Which macromolecule is primarily made up of carbon, hydrogen, and oxygen?

• Lipids

• Carbohydrates

• Proteins

• Nucleic Acids

What is the monomer of proteins called?

• Amino Acid

• Fatty Acid

• Nucleotide

• Glucose

Which of the following is not a characteristic of lipids?

• They include triglycerides

• They are part of cell membranes

• They are made of C, H, and O

• They form polymers

What process involves the removal of water to join two monomers together?

• Hydrolysis

• Polymerization

• Dehydration Synthesis

• Condensation Reaction

Which process is responsible for breaking down polymers into monomers by adding water?

• Hydrolysis

• Saponification

• Condensation

• Dehydration Synthesis

What is the primary function of enzymes in the process of dehydration synthesis?

• To add water

• To remove water

• To provide energy

• To stabilize the reaction

Which of the following is a disaccharide?

• Glucose

• Fructose

• Galactose

• Sucrose

What is the role of salivary amylase in the digestion of carbohydrates?

• It converts sugars into proteins

• It stabilizes sugar molecules

• It adds water to split sugars

• It removes water to join sugars