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13 Cards in this Set
- Front
- Back
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the multiplicity of functions carried out by proteins, arises from ...
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the huge number of different shapes they adopt
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what is the function of an enzyme?
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catalyzes covalent bond breakage of formation
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what is the function of the enzyme tryptophan synthetase?
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makes to amino acid tryptophan
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what is the function of enzyme pepsin?
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degrades dietary proteins in the stomach
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what is the function of enzyme ribulose biphosphate carboxylase?
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helps convert carbon dioxide into sugars in plants
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what is the function of enzyme DNA polymerase?
of protein Kinase? |
copies DNA
adds a phosphate to a protein molecule |
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what is the function of a structural protein?
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provides mechanical support to cells and tissues
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the shape of a protein is specified by _____
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its amino acid sequence
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what is a protein?
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molecule that is made from a long chain of these amino acids, each linked to its neighbor through a covalent peptide bond.
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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.
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amino acid sequence
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A covalent peptide bond forms when ...
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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 |
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the stability of each folded shape of a protein will be affected by the combined strength of large numbers of _______
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non covalent bonds
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what are the 3 types of noncovalent bonds that help proteins fold. (shape)
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hydrogen bonds, electrostatic attractions, and van der waals attractions
4th weak force is hydrophobic interations |
