Physiology 2130 Lecture Notes - Lecture 1: Nuclear Pore, Cellular Respiration, Cytoskeleton
17 Sep 2016
School
Department
Course
Professor
Document Summary
Brain, spinal cord, nerves: local control characterized by a localized/ restricted response, long distance control more complex and involve multiple components, a homeostatic feedback is designed to keep body at or near set point, ** only the negative feedback loop is homeostatic! o negative feedback loops. Cell organelles function: nucleus dna gene expression, nucleolus ribosome synthesis, nuclear double stranded membrane surrounding nucleus, nuclear pore channel regulating transportation of molecules between nucleus and cytoplasm, chromatin threadlike mass of dna, cytoplasm intracellular fluid that contains all of cell"s contents, rough endoplasmic reticulum(rer) protein synthesis and processing, smooth endoplasmic reticulum(ser) synthesis of lipids and fatty acids, mitochondrion produces energy through cellular respiration, plasma membrane separates cell contents from environment via selective permeability, golgi complex protein processing, lysosome digestion and recycling via hydrolytic enzyme, centriole aids in cell division, ribosome create proteins. Vi: structure o phosphate head (polar) hydrophilic likes water o 2 fatty acid chains (nonpolar) hydrophobic hate water .
