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  1. Glycogen(polysaccharide)
    • Has many side branches consisting of chains of glucose molecules. Does not dissolve in water or other body fluids
    • Muscles cells make and store glycogen
    • Storage of glucose
  2. Carbohydrates
    (C,H,O in some cases N)
    CHO in a 1:2:1 ratio
    • Sources: Obtained from the diet or manufactured in the body
    • Functions: Energy source
    • Some structural role when attached to lipids or proteins
    • Energy storage
  3. Lipids
    (C,H,O in some cases N or P)
    CHO not in 1:2:1 ratio
    • Sources: Obtained from diet or manufactured in the body
    • Functions: Energy source
    • Energy storage
    • Insulation
    • Structural components
    • Chemical messengers
    • Protection
  4. Proteins
    (C,H,O,N commonly S)
    • Sources: 20 common amino acids; roughly half can be manufactured in the body, others must be obtained from diet
    • Functions: Catalysts for metabolic reactions
    • Structural components
    • Movement
    • Transport
    • Buffers
    • Defense
    • Control and coordination of activites
  5. Nucleic Acids
    (C,H,O,N and P; nucleotides composed of phosphates, sugars and nitogenous bases)
    • Sources: Obtained from the diet or manufactured in the body
    • Function: Storage and processing of genetic information
  6. ATP(Adenosine Triphosphate)
    Energy in the bonds of the Phosphates molecules

    • Summary: Glycolysis(cytoplasm of cell) makes 2 ATP
    • Kreb Cycle(mitochondria) make 2 ATP
    • Electron Transport Chain(mitocondria) makes 32 ATP
    • Total of 36 ATP made for cellular use
    • Uses: Active transport-provides the energy needed to move ions or molecules across the membrane
    • Endocytosis-importing of large volumes of extracellular material (receptor-mediated, pinocytosis[cell drinking], and phagocytosis[cell eating]
    • Muscle contraction-myosin head movement
Card Set:

Molecular Components for the body
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