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Touring the Cell

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Zahia Neves

on 8 March 2016

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Transcript of Touring the Cell

The mitochondria is the power house of the cell, responsible for making the immediate energy source for cellular functions: Adenosine Triphosphate ATP.
The Nucleus is central (at the core of the image below) to the animal cell. The Nucleus has decided to mentor the Mitochondria: the organelle responsible for the cell's energy.
Actin Filaments
Intermediate Filaments
Nuclear Envelope
Touring the Cell
Nuclear Pores
Rough Endoplasmic reticulum
Smooth Endoplasmic Reticulum
Golgi Apparatus
Peroxisomes are small, membrane-enclosed organelles that contain enzymes involved in a variety of metabolic reactions, including several aspects of energy metabolism.
In cell biology, the centrosome is an organelle that is the main place where cell microtubules get organized. They occur only in animal cells. Also, it regulates the cell division cycle, the stages which lead up to cell division.

An organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane.
Microtubules are filamentous intracellular structures that are responsible for various kinds of movements in all eukaryotic cells. Microtubules are involved in nucleic and cell division, organization of intracellular structure, and intracellular transport, as well as ciliary and flagellar motility.
Intermediate filaments (IFs) are cytoskeletal components found in the cells of many animal species. They are composed of a family of related proteins sharing common structural and sequence features.
Actin filaments (F-actin) are linear polymers of globular actin (G-actin) subunits and occur as microfilaments in the cytoskeleton and as thin filaments, which are part of the contractile apparatus, in muscle and nonmuscle cells
Chromatin is a complex of DNA and proteins that forms chromosomes within the nucleus of eukaryotic cells. Nuclear DNA does not appear in free linear strands; it is highly condensed and wrapped around nuclear proteins in order to fit inside the nucleus.
A nuclear membrane, also known as the nuclear envelope, nucleolemma or karyotheca, is the double lipid bilayer membrane which surrounds the genetic material and nucleolus in eukaryotic cells. The nuclear membrane consists of two lipid bilayers—the inner nuclear membrane, and the outer nuclear membrane.
Nuclear pores are large protein complexes that cross the nuclear envelope, which is the double membrane surrounding the eukaryotic cell nucleus.
Ribosomes are ancient molecular machines that are responsible for production of protein in all living cells. They are large (2.5 MD molecular weight or larger) macromolecular complexes composed of RNA (2/3) and protein (1/3).
A network of tubular membranes within the cytoplasm of the cell, occurring either with a smooth surface (smooth endoplasmic reticulum) or studded with ribosomes (rough endoplasmic reticulum) involved in the transport of materials.
The smooth endoplasmic reticulum (abbreviated SER) has functions in several metabolic processes. It synthesizes lipids, phospholipids, and steroids. Cells which secrete these products, such as those in the testes, ovaries, and sebaceous glands have an abundance of smooth endoplasmic reticulum.
The Golgi apparatus or Golgi complex is found in most cells. It is another packaging organelle like the endoplasmic reticulum (ER). It was named after Camillo Golgi, an Italian biologist.
In cell biology, a vesicle is a small structure within a cell, consisting of fluid enclosed by a lipid bilayer. Vesicles form naturally during the processes of secretion (exocytosis), uptake (phagocytosis and endocytosis) and transport of materials within the cytoplasm.
The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells. The basic function of the cell membrane is to protect the cell from its surroundings. It consists of the phospholipid bilayer with embedded proteins.
Cell Membrane
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