Advanced
Pathophysiology Exam 1 |
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, Terms in this set (78)
Seven specialized cellular functions: movement, conductivity, metabolic absorption, secretion, excretion,
respiration, and reproduction
Nucleus aids in cell division and control of genetic info, contains DNA (think the egg
yolk)
Ribosomes RNA-protein complexes; float freely in cytoplasm; provide sites for cellular
protein synthesis; packages and modifies protein for transportation and
secretion
Endoplasmic Reticulum (ER) specializes in the synthesis and transport of the protein and lipid components
of most of the cells organelles (memory factory)
Golgi complex 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 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 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 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 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 Phospholipid layer
entering cells across the plasma membrane
Prokaryote unicellular organism lacking a nucleus; contains NO organelles (include
cyanobacteria, bacteria, and rickettsia)
Eukaryote organism whose cells contain a nucleus; "good nucleus;" larger w/ intracellular
anatomy