Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
Cell biology is the study of cells, their structure, function, and behavior within living organisms. It explores how cells are organized, how they communicate with each other, and how they carry out essential processes for life.
Related terms
Plasma Membrane: The plasma membrane is the outer boundary of the cell that controls what enters and exits the cell. It acts like a security guard regulating who gets in or out.
Mitochondria: Mitochondria are known as the "powerhouses" of the cell because they produce energy through cellular respiration. They can be compared to power plants generating electricity for a city.
Endoplasmic Reticulum: The endoplasmic reticulum is an extensive network of membranes involved in protein synthesis and lipid metabolism. It's like a transportation system within the city that delivers goods to their designated locations.