Exploring Biochemistry Concepts with Parikh Review

The video tutorial reviews macromolecules, which are large organic molecules made of polymers. It covers the four main groups: carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates are important for energy storage and structure, lipids provide long-term energy storage and make up cell membranes, proteins are made of amino acids and perform various functions including speeding up reactions, and nucleic acids carry genetic information. The video also explains enzyme function and specificity in chemical reactions.

What is the process called when monomers are joined together by removing water?

• Polymerization

• Hydrolysis

• Condensation reaction

• Dehydration synthesis

Which of the following is NOT a function of carbohydrates?

• Making up cell walls in plants

• Insulation

• Support

• Short-term energy storage

What is the building block of carbohydrates?

• Nucleotides

• Fatty acids

• Monosaccharides

• Amino acids

Which of the following is a type of lipid?

• Glycogen

• Glucose

• Cellulose

• Phospholipids

What are the building blocks of lipids?

• Nucleotides

• Monosaccharides

• Amino acids

• Glycerols and fatty acids

How many different amino acids are used to build proteins?

• 20

• 26

• 30

• 10

Which protein is responsible for muscle movement?

• Antibodies

• Actin

• Keratin

• Enzymes

What is the primary function of nucleic acids?

• Energy storage

• Insulation

• Carrying genetic information

• Speeding up chemical reactions

Which of the following is NOT a nucleic acid?

• DNA

• RNA

• ATP

• Enzyme

What is the role of enzymes in chemical reactions?

• They change the substrate

• They are consumed in the reaction

• They slow down the reaction

• They speed up the reaction