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ANAT.3601
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What are the basic components of the cell?
CNE(SER/RER)GMCCE
Cell Membrane
Nucleus
Endoplasmic Reticulum SER/RER
Golgi Apparatus
Mitochondria
Cytoskeleton
Cell Surface structures
Endoplasmic structures
What is the purpose of the CELL MEMBRANE?
(4) PMCE
(aka plasma membrane)
Protects the cell
Mediates nutrition/secretion
Communication to cells and their environment
Eliminates waste products
*
All
constructed as lipid bi-layers.
What is the NUCLEUS?
(3)
*Isolated from cytoplams by the nuclear envelope
Transport material to/from interior.
DNA, RNA
Protein synthesis
Control center of the cell
ENOPLASMIC RETICULUM
SER: Smooth
RER: Rough
Describe the functions of the two.
SER: Synthesizes lipids, metabolize carbs, detoxifies drugs/alcohol.
RER: Synthesize proteins, transports and stores molecules.
GOLGI APPARATUS
Modifies, packages, and sorts newly synthesized proteins for secretion, inclusion in new plasma membrane, or lysosomal enzyme synthesis.
MITOCHONDRIA
"Powerhouse of cell"
ATP production
Lipid metabolism (w/ SER)
CYTOSKELETON
(POT M)
Name the 3 cytoskeletal elements
Provides structural support
Organelle and cellular motility
Transport of materials
Mitosis
Cytoskeletal elements
1) Microtubules
2) Microfilaments (Actin)
3) Intermediate Filaments
CELL SURFACE STRUCTURES
(3)
1. Microvilli increase surface area and cell surfaces.
(AKA
: Brush Borders or Striate Borders)
2. Cilia move material along the surface of cells.
3. Junctional complexes link cells together.
About how many cells are in the human body?
How many TYPES of cells are in the human body?
About 50 trillion cells in the human body
About 400 cell TYPES
What is the matrix?
Cells grouped as tissues; cells and their non-living products.
Author
xiongav
ID
129064
Card Set
ANAT.3601
Description
The Cell
Updated
2012-01-19T23:42:41Z
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