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Stack #34634
Pathophysiology
| Question | Answer |
|---|---|
| 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
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