Organic Compounds and Biochemistry Worksheet

What is an organic compound?

• A compound that contains carbon and is found in living things.

• A compound that contains only hydrogen.

• A compound that is only found in rocks.

• A compound that does not contain any carbon.

Which of the following is the monomer for proteins?

• Amino acids

• Monosaccharides

• Fatty acids

• Nucleotides

What process links monomers to form a polymer in organic compounds?

• Condensation

• Hydrolysis

• Evaporation

• Photosynthesis

What is released as a by-product during condensation reactions in anabolism?

• Water

• Oxygen

• Carbon dioxide

• Glucose

Which statement best describes catabolism?

• Large compounds are broken down into smaller compounds.

• Smaller compounds are combined to form larger compounds.

• Water is released as a by-product.

• Energy is always stored.

Which of the following is used primarily as a short-term energy source in cells?

• Carbohydrates

• Lipids

• Nucleic acids

• Proteins

What is the main function of nucleic acids in cells?

• Energy storage

• Genetic blueprint for cellular activity

• Structural support

• Signaling hormones

Which of the following is an example of a monosaccharide?

• Glycogen

• Starch

• Ribose

• Cellulose

What makes phospholipids unique compared to other lipids?

• They have three fatty acid chains

• They are composed of four fused carbon rings

• They have a polar phosphate group and are amphipathic

• They are used only for energy storage

Which of the following best describes steroids?

• Made of monosaccharides

• Composed of four fused carbon rings

• Contain a phosphate group

• Used as a short-term energy source