Online protein making notes
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Online protein making notes

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    Online protein making notes Online protein making notes Presentation Transcript

    • DNA
    • ( DNA is a type of nucleic acid! ) Do you remember the four biomolecules? lipids, protein, carbohydrates and... nucleic acids!
      • The goal of the cell is to make
      • Proteins make your traits .
      proteins.
    • Proteins…
      • Such as…
        • hemoglobin : transport oxygen
        • insulin : hormone; removes sugar from blood
        • antibodies : fights infection
        • lactase : enzyme; digests milk sugar (lactose)
        • collagen : skin, bones, tendons
        • keratin : skin, hair, nails
        • myosin : muscle contraction
    • DNA= Deoxyribonucleic Acid Location in cell: Nucleus
    • The nucleus contains chromosomes which contains DNA. DNA makes your genes.
    •  
    •  
    •  
    • Structure of DNA
      • 2 long strands of nucleotides in a spiral shape.
      • Ladder-shaped when “untwisted”.
      • The sides of the DNA “ladder” consist of alternating
      • (sugar) and
      • molecules.
      Deoxyribose Phosphate
      • The rungs of the DNA “ladder” consist of
      Nitrogen bases
    •  
    • DNA nucleotide
      • One nucleotide is one piece of DNA.
      • Consist of three parts:
        • Deoxyribose (sugar)
        • Phosphate
        • Nitrogen base (A, T, C, G)
    • There are 4 possible nitrogen bases in DNA: (A) (T) (C) (G) Adenine Guanine Thymine Cytosine
    • Nucleic Acid Model Deoxyribose (sugar) PHOSPHATE NITROGEN BASES (A, T, C, G) Deoxyribose (sugar) PHOSPHATE PHOSPHATE
      • adenine always pairs with
      • guanine always pairs with
      thymine cytosine This is known as complimentary base pairing .
    • A-T C-G
    •  
    •