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Bio 5, Mendelian Genetics, Chapter 5: Skeletal System, CHAPTER 19: INTRO…

- - - - surrounds interlnal organs, muslces and blood vessels
      - Fibroblast, elastic fibers, collagenous fibers - skin
    - - Forms tendons, ligaments, depper layers of skin
    - - surrounds hollow organs, (stomach, bladder) that change shape or size
    - - Makes up internal framework of soft organs (liver) and the lymphatic system
- - - - One layer
      - Facilitates absorption and secretion through diffusion
      - Lines glands, repiratory, digestive, reproductive systems
    - - -provide protection as in the skin surface
        
        can be located in the body in the anus, vagina
      - More than one layer
      - can be 30-40-60 layers
      - wear and tear areas
      - Squamous
        
        Flattened cells
        
        lines blood vessels, parts of lungs, body surface
      - Cuboidal
        
        cube shaped
        
        form lining of kidney tubules
      - Columnar
        
        Column shaped
        
        line small intestine
      - Pseudostratified Ciliated Columnar Epithelium
        
        PCCE
        
        Has cilia
        
        Elongated, look like stratified but are not
        
        found in trachea
      - Transitional Epithelium
        
        Found in urinary bladder
        
        look cuboidal and columnar
    - - Simple Cuboidal: -lines kidney tubules and glands; secretes and reabsorbs water
        
        Simple Columnar
    - - stratified cubiodal:
        
        stratified columnar:
        
        -Lines epididymus mammary glands, larynx
        -secretes mucus
        
        -Lines ducts of sweat glands
        -secretes water and ions
      - -outer layer of skin, mouth, vagina
        -Protects against abrasion, drying out, infection
- - - - Rough ER: embedded with ribosomes, evolve in protein synthesis
        
        Golgi Apparatus: Packaging of new proteins made
      - Smooth ER: involved in lipid synthesis and transportation throughout the cell
- - - - Fight, flight, fright
    - - Rest and Digest
- - - - 23rd chromosome pair =sex chromosomes ( XX female, XY male )
        
        nitrogen bases Adenine, Thymine,Guanine, Cytosine
        
        Rosalind Franklin and Maurice Wilkins discovered the double helix
        
        DNA is important because they have instructions to carry protein
        
        Genes are segments of DNA that code for a specific protein
        
        Nucleosome= DNA and histones
        
        DNA is Made of monomers called nucleotides
        
        1 more item...
        
        Nobel Prize
        
        Made an image of DNA using Xrays
      - called autosomes