Biology at a Glance: Biological molecules

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Full list of words from this list:

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  1. peptide
    amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
    Protein is built up from amino acids linked together by peptide bonds.
  2. lipid
    oily, insoluble organic compound that's a component of cells
    Lipids.
  3. amino acid
    organic compounds containing an amino group and acid group
    Protein is built up from amino acids linked together by peptide bonds.
  4. protein
    an organic compound essential to living cells
    Proteins.
  5. carbohydrate
    an essential component of living cells and source of energy
    Carbohydrates.
  6. molecule
    the simplest structural unit of an element or compound
    BIOLOGICAL MOLECULES There are three important biological molecules: 1.
  7. nitrogen
    a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
    PROTEINS These contain the elements carbon, hydrogen, oxygen, nitrogen.
  8. globular
    having the shape of a sphere or ball
    These chains may fold up to form a specific globular shape.
  9. hydrogen
    a colorless, odorless gas; the lightest chemical element
    PROTEINS These contain the elements carbon, hydrogen, oxygen, nitrogen.
  10. biological
    pertaining to life and living things
    BIOLOGICAL MOLECULES There are three important biological molecules: 1.
  11. oxygen
    a colorless, odorless gas that is essential for respiration
    PROTEINS These contain the elements carbon, hydrogen, oxygen, nitrogen.
  12. carbon
    an abundant nonmetallic element in all organic compounds
    PROTEINS These contain the elements carbon, hydrogen, oxygen, nitrogen.
  13. element
    a substance that cannot be separated into simpler substances
    PROTEINS These contain the elements carbon, hydrogen, oxygen, nitrogen.
  14. link
    connect, fasten, or put together two or more pieces
    Protein is built up from amino acids linked together by peptide bonds.
  15. acid
    a sour water-soluble compound with a pH of less than 7
    Protein is built up from amino acids linked together by peptide bonds.
  16. order
    logical arrangement of different elements
    Plants have to make their protein in order to grow.
Created on 四月 5, 2012

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