it14spr101.20bc2t10 11 12-1.txt

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it14spr101.20bc2t10 11 12-1.txt
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  1. A group of organic chemicals that are insoluble in water but soluble in organic solvents such as ether and chloroform.
    Lipids
  2. The building blocks of fat molecules.
    fatty acids, glycerol
  3. Is one in which All carbon atoms are linked by single carbon-carbon bonds.
    Saturated fatty acid
  4. Contain at least one double bond between carbon atoms.
    Unsaturated Fatty Acids
  5. Widely distributed in the body with a variety of functions; includes cholesterol, sex hormones and certain hormones of the adrenal glands.
    Steroids
  6. Two fatty acid molecules and a phosphate group bound to a glycerol molecule. They are important cellular structures.
    Phospholipids
  7. A type of lipid in which there are three fatty acid molecules bound to a glycerol molecule.
    Triglycerides
  8. When the part of the molecule attracts water.
    Hydrophilic
  9. When the part of the molecule repels water.
    Hydrophobic
  10. They serve as structural materials, energy sources, chemical messengers, chemical receptors, antibodies and enzymes.
    Proteins
  11. They speed specific chemical reactions without being consumed.
    Enzymes
  12. Are building blocks of proteins.
    Amino Acids
  13. Proteins have complex three dimensional shapes called ______ yet they are assembled from simple chains of amino acid connected by peptide bonds.
    Conformation
  14. The amino acid sequence of polypeptide chain. The sequence is determinded by DNA.
    Primary Structure
  15. When chains form a three deminsional shape, the polypeptide chain forms an alpha helix or a beta- pleated sheet.
    Secondary Structure
  16. The folding of a secondary structure.
    Tertiary structure
  17. When several polypeptide chains join, this forms a larger polypeptide structure. Example hemoglobin
    Quaternary structure
  18. When a protein loses it’s tertiary or secondary structure.
    Denaturing
  19. Amino acid molecules have an _____(--NH2) at one end and a _____ (--COOH) at the other end. Between these groups is a single carbon atom. This_______ is bonded to a hydrogen atom and to another group of atoms called _______.
    Amino Group, Carboxyl Group, Central Carbon Atom, R Group
  20. Carry’s instructions that control a cell’s activities. Encodes the amino acid sequences of proteins in it’s building blocks.
    Nucleic Acids
  21. The building blocks of nucleic acids.
    Nucletides
  22. Functions to use the information stored in DNA to construct specific protein molecules.
    RNA
  23. Function is to store information for potein synthesis.
    DNA

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