UT TYLER FNP NURS 5350 ADV PATHO EXAM 1.

Seven specialized cellular functions: - Answer-movement, conductivity, metabolic absorption, secretion, excretion, respiration, and reproduction Nucleus - Answer-aids in cell division and control of genetic info, contains DNA (think the egg yolk) Ribosomes - Answer-RNA-protein complexes; float freely in cytoplasm; provide sites for cellular protein synthesis; packages and modifies protein for transportation and secretion Endoplasmic Reticulum (ER) - Answer-specializes in the synthesis and transport of the protein and lipid components of most of the cells organelles (memory factory) Golgi complex - Answer-Organelle that packages and distributes proteins into vesicles and transports within and outside of cell (refining plant in cytoplasm; traffic cop- what goes in and out of cytoplasm) Lysosomes - Answer-An organelle containing digestive enzymes; digest and remove wastes, digest debris from dead cells; if ruptured, they can digest cell contents; autodigestion occurs in starvation Mitochondria - Answer-Powerhouse of the cell, organelle that is the site of ATP (energy) production; pathway for metabolism of carbs, lipids, and amino acids into ATP; to keep the cell alive; can grow and self-replicate in the cell Cytoskeleton - Answer-A network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement; "bones and muscle" of the cell; have cilia to move it on out Characteristics of plasma membrane - Answer-made up of lipids and proteins; the basic component is a bi-layer of lipid molecules that are responsible for the structural integrity of the membrane The _______________ prevents water soluble molecules from entering cells across the plasma membrane - Answer-Phospholipid layer Prokary