AP Biology Exam Review: Semester #1

Front

What is the main structural component of the plasma membrane?

Back

Phospholipid

Front

What term describes the part of photosynthesis when light energy is captured and transferred to a molecule, such as ATP?

Back

Light-dependent reactions

Front

What is a signal molecule that binds to a plasma-membrane protein?

Back

Ligand

Front

What word describes the attraction of water to other substances?

Back

Adhesion

Front

What does high blood sugar promote according to the feedback loop?

Back

Insulin Release

Front

What is the role of cholesterol in the plasma membrane?

Back

Cholesterol helps to maintain membrane fluidity and stability.

Front

What are the two main stages of photosynthesis?

Back

Light-dependent reactions and light-independent reactions (Calvin cycle).

Front

What is the function of a receptor protein?

Back

Receptor proteins bind to specific ligands and initiate a cellular response.

Front

What is cohesion in the context of water molecules?

Back

Cohesion is the attraction between water molecules due to hydrogen bonding.

Front

What is the primary function of insulin in the body?

Back

Insulin helps to lower blood sugar levels by facilitating the uptake of glucose into cells.