Cell publishes findings of unusual significance in any area of experimental biology, including but not limited to cell biology, molecular biology, neuroscience, immunology, virology and …

Cells emerged on Earth about 4 billion years ago. All cells are capable of replication, protein synthesis, and motility. Cells are broadly categorized into two types: eukaryotic cells, which …

Jun 20, 2025 · What is a cell? A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter …

Jun 14, 2025 · Explore the structure, types, and functions of cells in this student-friendly guide to cell biology and cell theory.

Mar 8, 2022 · Life as we know it depends on the coordination of structures inside cells — whether a living thing has only a single cell or trillions of them.

Dec 19, 2023 · Cells are the basic units of life. The body contains around 50—100 trillion cells, and they vary widely in size, number, structure, and use. Cells also communicate with each …

All cells evolved from a common ancestor and use the same kinds of carbon-based molecules. Learn how cell function depends on a diverse group of nucleic acids, proteins, lipids, and sugars.

Apr 7, 2024 · Definition of Cell A cell is the basic structural and functional unit of all living organisms, responsible for various life processes and containing essential biological molecules.

2 days ago · Discover the fundamental biology of the human body. Learn how microscopic cells operate, specialize, and work in concert to sustain life, growth, and overall health.

Describe the general characteristics of each of the following cell types and relate their characteristics to their functions: nerve cell, muscle cell, red blood cell (erythrocyte), and white …