membrane

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  1. peptide bond
    the primary linkage of all protein structures
    These are usually arranged in an alpha helix so that the polar -C=O and -NH groups at the peptide bonds can interact with each other rather than with their hydrophobic surroundings.
  2. plasma membrane
    a thin membrane enclosing the cytoplasm of a cell
    One universal feature of all cells is an outer limiting membrane called the plasma membrane.
  3. extracellular fluid
    liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid
    The Plasma Membrane
    The plasma membrane serves as the interface between the machinery in the interior of the cell and the extracellular fluid (ECF) that bathes all cells.
  4. extracellular
    located or occurring outside a cell or cells
    The Plasma Membrane
    The plasma membrane serves as the interface between the machinery in the interior of the cell and the extracellular fluid (ECF) that bathes all cells.
  5. ECF
    liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid
    The Plasma Membrane
    The plasma membrane serves as the interface between the machinery in the interior of the cell and the extracellular fluid (ECF) that bathes all cells.
  6. peptide
    amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
    All G-protein-coupled receptors (e.g., receptors of peptide hormones, and odors each span the plasma membrane 7 times.
  7. membrane
    a sheet of tissue that lines or connects organs or cells
    One universal feature of all cells is an outer limiting membrane called the plasma membrane.
  8. plasma
    the watery fluid in which blood cells are suspended
    One universal feature of all cells is an outer limiting membrane called the plasma membrane.
  9. protein
    an organic compound essential to living cells
    Cell membranes are built from lipids and proteins.
  10. amino acid
    organic compounds containing an amino group and acid group
    In all these cases, the portion within the lipid bilayer consists primarily of hydrophobic amino acids.
  11. amino
    pertaining to or containing any of a group of organic compounds of nitrogen derived from ammonia
    In all these cases, the portion within the lipid bilayer consists primarily of hydrophobic amino acids.
  12. residue
    matter that remains after something has been removed
    Furthermore, those that project into the aqueous surroundings of the cell are usually glycoproteins, with many hydrophilic sugar residues attached to the part of the polypeptide exposed at the surface of the cell.
  13. alpha
    the 1st letter of the Greek alphabet
    These are usually arranged in an alpha helix so that the polar -C=O and -NH groups at the peptide bonds can interact with each other rather than with their hydrophobic surroundings.
  14. expose
    make visible or apparent
    Furthermore, those that project into the aqueous surroundings of the cell are usually glycoproteins, with many hydrophilic sugar residues attached to the part of the polypeptide exposed at the surface of the cell.
  15. hormone
    the secretion of an endocrine gland transmitted by the blood
    All G-protein-coupled receptors (e.g., receptors of peptide hormones, and odors each span the plasma membrane 7 times.
  16. furthermore
    in addition
    Furthermore, those that project into the aqueous surroundings of the cell are usually glycoproteins, with many hydrophilic sugar residues attached to the part of the polypeptide exposed at the surface of the cell.
  17. odor
    any property detected by the sense of smell
    All G-protein-coupled receptors (e.g., receptors of peptide hormones, and odors each span the plasma membrane 7 times.
  18. percentage
    a proportion in relation to a whole
    Those portions of the polypeptide that project out from the bilayer tend to have a high percentage of hydrophilic amino acids.
  19. chiefly
    for the most part
    The lipids in the plasma membrane are chiefly phospholipids like phosphatidyl ethanolamine and cholesterol.
  20. arranged
    disposed or placed in a particular kind of order
    These are usually arranged in an alpha helix so that the polar -C=O and -NH groups at the peptide bonds can interact with each other rather than with their hydrophobic surroundings.
  21. in all
    with everything included or counted
    In all these cases, the portion within the lipid bilayer consists primarily of hydrophobic amino acids.
Created on Thu Oct 07 14:15:17 EDT 2010

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