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Stack #34634

Pathophysiology

QuestionAnswer
Nucleus the largest membrane bound organelle
Cytosol/cytoplasm = (cytoplasmic matrix) an aquesous solution that fills the space between the nucleuos and the plasma membrane
Organelles suspended into cytoplasm and are enclosed in biological membranes
Endoplasmic recticulum network of tubular channels (cisternae) that extend to the outer nuclear membrane
Golgi complex network of smooth membranes and vesicles located near the nucleus
Lysosomes = sac like structures that originate from the Giolgi Complex and contain digestive enzymes
Mitochondria contain the metabolic machinery necessary for cellular energy metabolism.
Cytoskeleton= “bone and Muscle of the cell”
Plasma membrane encloses the cell by controlling the movement of substances a crossed it, exerts a powerful influence on metabolic pathways
cellular receptors protein molecules on the plasma membrane in the cytoplasm, or in the nucleus that are capable of recognizing and binding smaller molecules called ligands
Fluid plasma membrane enables it to vary the # of receptors on its surface. Therefore the cell is capable of hiding from injurious agents by altering receptor # pattern ( helps prevent us form getting cancer)
Diffusion Movement of solute from a higher concentration to an area of lower concentration (cells do this to get away from sodium).
Hydrostatic Pressure mechanical force of water pushing against cellular membranes (B/p, systolic; pushes stuff out
Osmotic Pressure amount of hydrostatic pressure required to oppose the osmotic movement of water.
Pinocytosis type of endocytosis in which fluids and solute of molecules are ingested through formation of small vesicles
Phagocytosis type of endocytosis in which large particle, such an s bacteria, are ingested through formation of large vesicles, called vacuoles.
Electrically Polarized all body cells are electrically polarized with the inside of the cell more negatively charged than the outside
Active Transport Requires Energy (ATP)
Passive transport Does not require Energy, Driven by physical effects i.e. osmosis, hydrostatic pressure and diffusion.
where is the nucleus found and what are it functions in the cells center, functions for cell division, and control of genetic information
What is the function of the Enplasmic Recticulum to synthesize and transport protien and lipid components os most organelles
what is the function of the Golgi complex processing and packaging proteins into secretory vessels
what are the functions of Lysosomes the digestive enzymes digest most celllular substances down to their basic form such as amino acids, fatty acids and sugars
where is ATP found the mitochondria
what is the plasma membrane composed of bilayer of lipids and cholesterol which gives the mebrane its structural integrity
what are the functions of the plasma membrane recognition by protein receotors and transport of substances into and out of the cell
Created by: ngemini0681