AP Biology Unit 1-4 Review

Front

What macromolecule contains phosphorus?

Back

Nucleic Acids

Front

What is the function of the electron transport chain between Photosystem II and Photosystem I?

Back

Establish electrochemical gradient of protons.

Front

Which substance can most easily pass through the cell membrane?

Back

Oxygen.

Front

What reactants do plants use for the light reaction?

Back

Water, NADP+, and ADP.

Front

What is true about unsaturated fats?

Back

They have double bonds in their fatty acid chains.

Front

Define macromolecule.

Back

Large, complex molecules essential for life, including carbohydrates, proteins, lipids, and nucleic acids.

Front

What is the role of ATP in cellular processes?

Back

ATP serves as the primary energy currency of the cell.

Front

Explain the significance of the Calvin cycle in photosynthesis.

Back

The Calvin cycle uses ATP and NADPH to convert CO2 into glucose.

Front

What is the structure of a phospholipid?

Back

A phospholipid consists of a hydrophilic (water-attracting) head and two hydrophobic (water-repelling) tails.

Front

What is the primary function of proteins in biological systems?

Back

Proteins serve as enzymes, structural components, and signaling molecules.