Centrosomes – the engine of cell division – definition, structure, function, and biology
A centrosome comprises two centrioles that serve as microtubule organizing center (MTOC). Its function is to attach to the centromeres of sister chromatids, and separate…
Cytoskeleton – the muscle and the bone of a cell – definition, structure, function, and biology
The cytoskeleton is a network of filament proteins that extends throughout a cell. It gives cell shape, organizes organelles, involves molecule transport, cell division, cell…
Cell membrane – definition, structure, function, and biology
The cell membrane is a lipid bilayer that separates the interior of cells from the outside space and protects the cells from the surrounding environment.
Endoplasmic reticulum – the cellular inter “NET” – definition, structure, function, and biology
Endoplasmic reticulum (ER) is an internal membrane that forms branching networks of many interconnected sacs and tubes inside cells. Rough ER stays closer to the…
Peroxisome – free-radical scavengers – definition, structure, function, and biology
The peroxisome is a spherical membrane-bound organelle responsible for the fatty acid breakdown and the conversion of hydrogen peroxide into water and oxygen.
Animal cells vs. Plant cells – What are the Similarities, Differences, and Examples
Animal and plant cells are eukaryotic cells. They all have nuclei, cell membranes, and organelles (ER, Golgi, ribosomes, and mitochondria). The structures only in plant…
Lysosome – the cell’s recycling center – definition, structure, function, and biology
Lysosomes are small organelles that work as the recycling center in the cells. Many lysosomal digesting enzymes break down macromolecules, so they can be reuse…
Mitochondria – the powerhouses of the cell – definition, structure, function, and biology
Mitochondrion is a rod-shaped organelle and its function is to generate energy (ATP) for the cell. Mitochondria contain their own DNA that enconde 13 proteins.
Ribosome – protein factory – definition, function, structure, and biology
Ribosomes are complex molecular machines that make proteins inside cells. Ribosomes consist of two subunits – larger and smaller, made by a complex of RNA…
Vacuole Function and Structure – Extra Space Storage
The vacuole is a membrane-bound organelle that is present in all plant cells. The main function is for storage, defense, and acting as a space…
Chloroplast Function and Structure – Solar Panels
The chloroplast main function is to convert energy from the Sun into glucose for growth, a process called photosynthesis. They are in plants and certain…
Nucleus Function
Nucleus is a double-membrane organelle, and it controls cell activities and carries genetic information to pass to the next generation.
Golgi Apparatus Function – the Post Office inside the Cells
Golgi apparatus is a membrane-bound organelle found in most eukaryotic cells. The function of Golgi apparatus is to process proteins and send proteins to different…
What is Cytoplasmic Streaming?
Cytoplasmic streaming is the movement of the cytoplasm within a cell. It plays an important role in transporting essential molecules across big cells.
Cell Organelles and their Functions
An organelle is a tiny cellular structure that performs specific functions within a cell, such as a nucleus, mitochondria, ER, ribosomes, lysosomes and Golgi.
Cell Biology on the Dining Table – Plant Cell Model
Plant cells share many organelles in common with animal cells. There are three unique features in plant cells, cell wall, vacuole, and chloroplast.
What is Mitosis (Food model of mitosis)
Mitosis is a process of cell division, one cell divides and produces two new cells that are genetically identical.
The Function of the Autophagosome and Endosome
Autophagosomes break down the misfunctioned organelles and recycle the nutrient. Endosomes bring outside material into cells.
Cell Biology on the Dining Table – Animal Cell Model Part II
Use this guide to build a creative animal cell model using household items. You will be amazed how much cell biology you will learn.
Cell Biology on the Dining Table – Animal Cell Model Part I
We choose fruit and vegetable to create our own cell model project. For example, we choose avocado seed for representing the cell nucleus.
