Category: Lab Notes: Cell Biology
Lipid Raft
Lipid rafts are specialized microdomains within the plasma membrane of cells, characterized by their enrichment in cholesterol, sphingolipids, and specific…
Peroxisome
Peroxisomes are single-membrane-bound organelles present in virtually all eukaryotic cells. These dynamic structures play crucial roles in various metabolic processes,…
Microtubule
Microtubules are essential cytoskeletal elements that form dynamic structures within cells. These hollow cylindrical polymers play crucial roles in cellular…
Chloroplast
Chloroplasts are specialized organelles found in plant cells and algae that conduct photosynthesis. These remarkable structures convert light energy into…
Ribosome
Ribosomes are sophisticated molecular machines that serve as the protein synthesis factories of cells. These complex structures, composed of both…
Plasma Membrane
The plasma membrane is a dynamic, selectively permeable barrier that defines the boundary of living cells. This phospholipid bilayer with…
Nucleus
The nucleus is the largest and most prominent organelle in eukaryotic cells, serving as the control center for cellular activities….
Flagellum
A flagellum is a highly specialized cellular appendage that serves as a locomotory organelle in many organisms. This whip-like structure…
Cytoskeleton
The cytoskeleton is a complex network of protein filaments that extends throughout the cell’s cytoplasm. This dynamic structural system provides…
Lysosomes
Lysosomes are specialized membrane-bound organelles that serve as the cell’s digestive system. These acidic compartments contain numerous hydrolytic enzymes capable…
Mitochondria
Mitochondria are dynamic, double-membrane-bound organelles often referred to as the powerhouses of eukaryotic cells. These sophisticated structures play central roles…
Centrosome
The centrosome is a key cellular organelle that serves as the primary microtubule-organizing center in animal cells. This crucial structure…
Golgi Complex
The Golgi complex, also known as the Golgi apparatus, is a highly dynamic organelle consisting of stacked membrane-bound compartments called…
Endoplasmic Reticulum
The endoplasmic reticulum (ER) is a complex network of interconnected tubules and flattened sacs that extends throughout the cytoplasm of…
Cell
Cells are the basic units of life, a concept established through cell theory and supported by centuries of scientific discovery. Whether prokaryotic or eukaryotic, all cells share core features such as a membrane, cytoplasm, and genetic material, yet differ in complexity and organisation. Their ability to grow, divide, and respond to their environment underpins the continuity of life in all organisms.