Biob 110cs 1st Edition Lecture 11 Current lecture Cell theory cells for the basic structure of all life and all cells arise from parent cells Multicellular Eurkaryotes Have tissues groups of cells that have similar structure and function Organs groups of tissues Microscopes Compound light microscopes can see at a minimum of 1 micron Fluorescent dyes are used to label cell components Electron microscopy can magnify 100 times what a compound light microscope can Plant Cell Parts Cell Wall provides support and protection o Made up of cellulose glucose polymer Plasma Membrane phospholipid bilayer surround cytoplasm o Controls movement in and out of cell o Has carrier and receptor proteins Carrier transport minerals nitrate amino acids and sugars Receptor hormones environmental cues Plasmodesmata plant communication channels These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Osmosis water moving across a membrane to distribute salts and ions evenly Diffusion net movement of molecule from a high concentration to a lower concentration no membrane involved Nucleus contains genetic information DNA Chromo highly colored contiguous with endoplasmic reticulum membrane of sacs and tubes RNA found in nucleus are transported by ribosomes into proteins Cytoskeleton long protein fibers called microtubules that transport organelles and vesicle Plastids Chloroplasts conduct photosynthesis Mitochondria energy production Amyloplasts store starch Chromoplasts contains pigments
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