Organic Compounds and Reactions Quiz

What is an organic compound essentially composed of?

• Oxygen and hydrogen

• Carbon and found in living things

• Nitrogen and phosphorus

• Sulfur and water

Which of the following is NOT composed of monomers?

• Carbohydrates

• Proteins

• Lipids

• Nucleic acids

What type of reaction links monomers to form a polymer?

• Hydrolysis

• Oxidation

• Condensation

• Reduction

What is released as a by-product of condensation reactions?

• Oxygen

• Carbon dioxide

• Water

• Nitrogen

In catabolic reactions, what is required as an input for hydrolysis reactions?

• Oxygen

• Water

• Carbon dioxide

• Glucose

What is the primary function of carbohydrates in cells?

• Long-term energy storage

• Genetic blueprint

• Short-term energy source

• Structural component of membranes

Which of the following is an example of a monosaccharide?

• Starch

• Glycogen

• Cellulose

• Glucose

What is the primary component of cell membranes?

• Triglycerides

• Phospholipids

• Steroids

• Monosaccharides

Which type of lipid consists of a glycerol subunit combined with three fatty acid chains?

• Phospholipids

• Steroids

• Triglycerides

• Monosaccharides

What makes phospholipids amphipathic?

• Presence of four fused carbon rings

• Combination of glycerol and three fatty acids

• Presence of a polar phosphate group

• Formation of polysaccharides