Cell Biology

Learn all about various cell types, cellular anatomy, and cellular processes.

  • Pathologist Rudolf Virchow Observing Operation
    Rudolf Virchow: Father of Modern Pathology
  • Francis Crick
    Life and Work of Francis Crick, Co-Discoverer of DNA's Structure
  • Italian Scientist Rita Levi Montalcini at the celebrations of her 100 birthday.
    Biography of Rita Levi-Montalcini
  • five euglena with red eyespots
    Euglena Cells
  • Drawing of a flea
    Biography of Robert Hooke, the Man Who Discovered Cells
  • The four types of protein structures
    Learn About the 4 Types of Protein Structure
  • This is a molecular model of the protein hemoglobin. This molecule transports oxygen around the body in red blood cells. It consists of four globin proteins (amino acid chains; green, yellow, blue and pink).
    Proteins in the Cell
  • Human karyotype
    What Is A Diploid Cell?
  • Golgi apparatus
    Golgi Apparatus
  • Endoplasmic Reticulum
    Endoplasmic Reticulum: Structure and Function
  • Diffusion
    Learn About Diffusion
  • restriction enzymes
    How Do Restriction Enzymes Cut DNA Sequences?
  • Endocytosis
    A Definition and Explanation of the Steps in Endocytosis
  • Structure of the homodimeric restriction enzyme EcoRI (cyan and green cartoon diagram) bound to double stranded DNA (brown tubes).
    What Are Restriction Enzymes?
  • Binary fission is the method of cell division used by prokaryotes or bacteria.
    Binary Fission vs. Mitosis
  • Anabolic exercise helps build muscle strength and endurance.
    Anabolism and Catabolism Definition and Examples
  • Oil & Water
    Fats, Steroids, and Other Examples of Lipids
  • Fertilization of ovum by sperm cell.
    Sex Cells Anatomy and Production
  • Spindle Fibers Mitosis
    Spindle Fibers
  • Illustration depicting the stages of mitosis and cell divison
    The Stages of Mitosis and Cell Division
  • Beginning of Life
    Gametes
  • Illustration of the types of cells in the body
    Types of Cells in the Human Body
  • Fibroblast Cell
    How and Why Cells Move
  • Illustration of the differences between plant cells and animal cells
    Differences Between Plant and Animal Cells
  • An illustration of cell membrane structure, with important parts labeled
    Cell Membrane Function and Structure
  • White Blood Cells
    8 Types of White Blood Cells
  • Mitochondrion
    Mitochondria: Power Producers
  • PLANT CELL ELODEA, ISOTONIC SOLUTION SHOWS CELLS, CHLOROPLASTS 250X at 35mm
    Learn About Plant Cell Types and Organelles
  • Amino Acid
    Amino Acids: Structure, Groups and Function
  • Shigella bacteria, illustration
    What Are Prokaryotic Cells?
  • Hormone replacement therapy
    An Introduction to Hormones
  • Ependymal Cells
    The Choroid Plexus
  • Illustration of DNA structure
    Learn About Nucleic Acids and Their Function
  • 3D diagram describing the different parts of homologous chromosomes.
    What Is a Chromatid?
  • cervical cancer cells
    7 Differences Between Mitosis and Meiosis
  • Animal Cell
    All About Animal Cells
  • Human cells, illustration
    The Cell Nucleus
  • Human cells, illustration
    The Role of Cytoplasm in a Cell
  • Illustration of cell theory
    Cell Theory: A Core Principle of Biology
  • Ribosome: 3D Model
    Ribosomes - The Protein Builders of a Cell
  • Animal Cell Organelles
    What Is an Organelle?
  • Prokaryotic and Eukaryotic Cells
    Learn About the Different Types of Cells: Prokaryotic and Eukaryotic
  • White Blood Cells
    White Blood Cells—Granulocytes and Agranulocytes
  • Chromosomes
    Centromere and Chromosome Segregation
  • Exocytosis
    A Definition and Explanation of the Steps in Exocytosis
  • Cancer Cell Mitosis
    Daughter Cells in Mitosis and Meiosis
  • Schematic of the Citric Acid Cycle
    Citric Acid Cycle Steps
  • Sugar Polymer
    Biological Polymers: Proteins, Carbohydrates, Lipids
  • A cell's inability to undergo apoptosis can result in the development of cancer cells, such as this human breast cancer cell
    10 Facts About Cells
  • Brain Neural Network
    Regeneration of Brain Cells
  • HeLa cervical cancer cells were the first immortal cell line.
    What HeLa Cells Are and Why They Are Important
  • Conceptual image of centriole.
    Role of Centrioles in Microbiology
  • Transcription is the first step in gene expression. It copying a gene's DNA sequence to make an RNA molecule. Transcription is performed by RNA polymerase 3d rendering.
    What Is RNA?
  • Immunoglobulin G Antibody
    How Antibodies Defend Your Body
  • Lysosome rendering
    What Are Lysosomes and How Are They Formed?
  • Chromosomes, artwork
    Sister Chromatids: Definition and Example
  • 3D printing a heart
    What Is Bioprinting?
  • Sperm and Eggs are gametes
    Somatic Cells vs. Gametes
  • The Cell Cycle
    Cell Cycle
  • ATP production
    All About Cellular Respiration
  • Activated platelets, artwork
    Platelets: Cells That Clot Blood
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