Cell Biology 5 min read
🧬 How Cells Work: A Deep Dive into Cellular Biology 🔬
Cells are the building blocks of life, forming the foundation of all living organisms—from tiny bacteria to complex humans. These…
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Cell Biology 6 min read
Water
Do you ever wonder why scientists spend time looking for water on other planets? It is because water is essential…
Cell Biology 14 min read
Voltage-gated sodium channels
Introduction Voltage-gated sodium channels are responsible for action potential initiation and propagation in excitable cells, including nerve, muscle, and neuroendocrine…
Cell Biology 4 min read
Receptor Agonists and Antagonists
Receptors are transmembrane proteins that enable the transfer of chemical signals from the cellular outer microenvironment into the cells, as…
Cell Biology 2 min read
Ligand-gated ion channels
Ligand-gated ion channels (LGICs) are integral membrane proteins that contain a pore which allows the regulated flow of selected ions…
Cell Biology 1 min read
ATP-powered Pumps
ATP-powered pumps (ATPases) couple the splitting, or hydrolysis, of ATP with the movement of ions across a membrane against a…
Cell Biology 3 min read
Difference between Cell Wall and Cell Membrane
One of the fundamental difference between the plasma membrane and the cell wall is in the type of organisms that…
Cell Biology 3 min read
Cell Membranes
According to cell theory, cells are the main unit of organization in biology. Whether you are a single cell or a…
Cell Biology 3 min read
Cell Wall
Cell membranes surround every cell you will study. Cell walls made of cellulose are only found around plant cells and a few other organisms. Cellulose is…
Cell Biology 3 min read
Permeases and Channels
Sisterhood of the Traveling Proteins Part II Experiment from last lecture reviewed. · It is possible to make a Heterokaryon cell with mouse…
Cell Biology 2 min read
Active Transport
Active transport describes what happens when a cell uses energy to transport something. We’re not talking about phagocytosis (cell eating) or pinocytosis (cell drinking) in this section.…
Cell Biology 2 min read
Passive Transport
While active transport requires energy and work, passive transport does not. There are several different types of this easy movement of molecules. It could…