Chapter 3 Lecture Outline Cells Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Outline History of Cell Theory
Modern Microscopes Eukaryotic and Prokaryotic Cells Cell Structure and Communication Cell Components
Cellular Reproduction History of Cell Theory 1665 - Cells discovered by Robert Hooke. Cell Theory: (1838) ** VIRUSES DUE NOT HAVE CELLS. Are they
ALIVE? Modern Microscopes Light Microscopes - Increase magnification as ____________ passes through a series of ____________. Compound Microscopes: Distinguishes 2 micrometers and larger
Magnifies 1500x Dissecting Microscopes (Scanning Microscopes) Three-dimensional viewing of opaque objects Magnifies 30x EUKARYOTIC VERSUS PROKARYOTIC CELLS
ALL CELLS HAVE: CLASSIFIFICATION BY TYPE OF CELLS: Prokaryotes - Cells lack a ______________________ Type of Organisms = _________ Eukaryotic - Cells contain a ____________________ Type of Organisms ________________________ Organelles - Membrane-bound bodies found which each have a particular function within eukaryotic cells PLANTS have ___________
Cell Structure and Communication in Plants Cell Wall surrounds protoplasm. Protoplasm = _____________________ Cell (Plasma) Membrane & Cytoplasm. = Bound by plasma membrane
Cytoplasm consists of all cellular components between the _________________________________. o Cytosol - _________________________ o Organelles - ______________________ Most, but not all, are bound by membranes. PLANT CELL
Drawing of plant cell Cell Size Higher plants--length between 10-100 mm m Cell of Plant, Elodea CELL WALL FUNCTION: ________________________
STRUCTURE: Main biochemical is? Also contains: Hemicellulose function = __________________ Pectin - _________________________________ Glycoproteins ____________________________
Middle lamella first part produced; Contains: ____________________________ LOCATION: __________________________ Shared by: ____________________ primary walls Secondary walls:
What cells have & why? _______________ Additional component: _______________ Location ___________ Secondary cell wall structure COMMUNICATION THROUGH CELL WALLS Plasmodesmata = _____________________
FUNCTION: ____________________________ PLASMA MEMBRANE Plasma Membrane: FUNCTIONS: ________________________________ Biochemical Composed of: ________________ Orientation of double layer OTHER COMPONENTS:
Biochemistry. Monomers can be joined together to form polymers when water is removed. ... CHON - Carbon, Hydrogen, Oxygen, and Nitrogen . Monomer- Amino Acid. 20 different types depending on. R-groups. Polymer -polypeptide. Shape. determines the protein's . function. Held...
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