Cellular physiology is a term that is sometimes used to describe the study of cellular functions and processes. All cells in the human body are eukaryotic, which means that they have a well …

Jun 14, 2025 · Cells carry out essential functions such as energy conversion, reproduction, and communication. The study of cells—cell biology—is central to understanding biology, …

Dec 10, 2025 · Most cells have one or more nuclei and other organelles that carry out a variety of tasks. Some single cells are complete organisms, such as a bacterium or yeast. Others are …

Cell theory, developed in 1839 by Matthias Jakob Schleiden and Theodor Schwann, states that all organisms are composed of one or more cells, that cells are the fundamental unit of structure …

Cells function differently in unicellular and multicellular organisms. A unicellular organism depends upon just one cell for all of its functions while a multicellular organism has cells specialized to …

Just as there are many cell types, there are varied cell functions. The generalized cell functions include movement of substances across the cell membrane, cell division to make new cells, …

Oct 15, 2025 · Our bodies contain trillions of cells. In this article, we explain what they are and what happens inside. We also describe some of the many types of cells.

Cell function refers to the specialized activities performed by cells, which are supported by their unique components and organelles necessary for maintaining life and perpetuating these …

Apr 29, 2025 · Understanding the roles and interactions of these organelles is key to comprehending how cells function as a whole. The nucleus serves as the command center of …

Apr 9, 2025 · Explore the structures and functions of 24 cell organelles with detailed diagrams, enhancing your understanding of cellular components in biology.