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30 Cards in this Set
- Front
- Back
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What term describes a hydrocarbon tail of a fatty acid that has no double bonded carbons Saturated, unsaturated, polysaturated, amphipathic |
Saturated |
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Carbon can form a maximum of how many covalent bonds |
4 |
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Which of the following pairs of functional groups might form H bonds with one another in water? Methyl and phosphoryl Carbonyl and methyl Carbonyl and hydroxyl Methyl and carboxyl |
Carbonyl and hydroxyl |
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What types of bonds would contribute to a molecule being hydrophilic Polar covalent Non polar covalent Hydrogen None |
Polar covalent and Hydrogen |
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What is a methyl group |
-CH3 |
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What general reaction takes place when a monomer is added to a polymer Condensation Ligation Proteolysis Hydrolysis |
Condensation |
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What bond is the strongest in a normal cell environment Ionic Covalent Hydrogen Van der waals |
Covalent |
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The statement “all cells come from pre existing cells” comes from the |
Cell theory |
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Glycogen, starch, cellulose, and chitin are simple sugars. What are two names for these? Lipids Proteins Fats Carbohydrates Polysaccharides |
Carbohydrates and polysaccharides |
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A reaction is at equilibrium when A=B DeltaG naught = 0 DeltaG = 0 DeltaG = DeltaG naught |
Delta G = 0. Free energy = 0 |
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When an enzyme is functioning at Vmax, the reaction rate is limited by: The rate at which the enzyme can convert the substrate to product and release it The concentration of the substrate The binding affinity for the enzyme for the substrate The number of collisions btw the enzyme and substrate |
The rate at which the enzyme can convert the substrate to product and release it |
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If K of A-B is 1000 and K of A-C is 20000, which one has a weaker binding affinity to A |
B |
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K = |
Kon/Koff and [AB]/[A][B] |
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Which of these molecules are widely used activated carriers in cells? ATP NADH NADPH FADH2 |
All of the above |
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What regions of amino acids are involved in a peptide bond |
Amino group of one amino acid and carboxyl group of the other |
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Which of the following is the strongest evidence that protein stricter and function are correlated |
Denatured proteins do not function normally |
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What type of amino acids would be near the hydrophobic center of a folded globular protein Nonpolar, polar, basic or acidic |
Non polar |
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A protein domain is a phrase describing what type of structure in protein Tertiary, secondary, primary, quaternary |
None of these |
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What part of the amino acid gives it it’s unique properties |
Side chain (R) |
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What are two types of beta sheets |
Parallel and antiparallel |
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What best describes the interactions that primarily determine the final 3D structure of a protein |
The sequence of amino acids |
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Which best describes how secondary protein structures are stabilized? |
H bonds btw polar groups in the protein backbone |
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Which best describes the primary structure of a protein |
Linear amino acid sequence |
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Regulation of enzymes by change in confirmation is? |
Allostery |
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What enzyme adds a phosphate to a protein in phosphorylation |
Kinase |
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What common principle allows proteins to work despite their different shapes and specificities |
Their ability to bind to specific other molecules |
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Researchers produce antibodies for use in? |
Localization of specific proteins in cells, molecular tags, isolating specific proteins from a mixture |
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Cells control nativity of enzymes using? |
Competitive inhibition, allosteric inhibition, feedback inhibition, phosphorylation/dephosphorylation |
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In antibodies, hyper variable structural elements that form the ligand binding site is comprised of several? |
Loops |
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A |
W |
