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13 Cards in this Set

  • Front
  • Back
the multiplicity of functions carried out by proteins, arises from ...
the huge number of different shapes they adopt
what is the function of an enzyme?
catalyzes covalent bond breakage of formation
what is the function of the enzyme tryptophan synthetase?
makes to amino acid tryptophan
what is the function of enzyme pepsin?
degrades dietary proteins in the stomach
what is the function of enzyme ribulose biphosphate carboxylase?
helps convert carbon dioxide into sugars in plants
what is the function of enzyme DNA polymerase?
of protein Kinase?
copies DNA

adds a phosphate to a protein molecule
what is the function of a structural protein?
provides mechanical support to cells and tissues
the shape of a protein is specified by _____
its amino acid sequence
what is a protein?
molecule that is made from a long chain of these amino acids, each linked to its neighbor through a covalent peptide bond.
in each type of protein, the amino acids are present in a unique order, called _____, which is exactly the same from one molecule of the protein to the next.
amino acid sequence
A covalent peptide bond forms when ...
the carbon atom of the carboxyl group of one amino acid shared electrons with the nitrogen atom from the amino group of the second amino acid

a molecule of water is generated during this condensation reaction
the stability of each folded shape of a protein will be affected by the combined strength of large numbers of _______
non covalent bonds
what are the 3 types of noncovalent bonds that help proteins fold. (shape)
hydrogen bonds, electrostatic attractions, and van der waals attractions

4th weak force is hydrophobic interations