JeopardyWater Amino Acids
Protein Function
Carbohydrates Bioenergetics
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$100 Question from Water
This is the reason why water has a higher melting point, boiling point, and heat of
vaporization than most other common solvents.
$100 Answer from Water
What are Hydrogen Bonds?
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$200 Question from Water
These are the forces that hold the nonpolar regions of amphipathic molecules such as micelles together.
$200 Answer from Water
What are Hydrophobic Interactions?
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$300 Question from Water
The pKa of the acid being titrated here is:
$300 Answer from Water
What is approximately 4.5?
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$400 Question from Water
These are the two components to a buffer
system.
$400 Answer from Water
What are a weak acid and its conjugate base (proton
donor and proton acceptor)?
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$500 Question from Water
This is the pH of a buffer composed of 0.042M
NaH2PO4 and 0.058 M Na2HPO4 if the pKa value is
6.86.
$500 Answer from Water
What is 7.0?
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$100 Question from Amino Acids
All naturally occurring alpha-amino acids in protein molecules are in found this
enantiomeric form.
$100 Answer from Amino Acids
What is L?
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$200 Question from Amino Acids
Phenylalanine and Tyrosine are examples of this class or group of amino acids.
$200 Answer from Amino Acids
What are aromatic amino acids?
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$300 Question from Amino Acids
Histidine is a basic amino acid. Therefore, the charge
of this amino acid at pH values below the pK1 value
is this.
$300 Answer from Amino Acids
What is +2?
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$400 Question from Amino Acids
The tripeptide with the name WAR is composed of
these three amino acids.
$400 Answer from Amino Acids
What are tryptophan, alanine, and arginine.
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$500 Question from Amino Acids
The pI of aspartate, an acidic amino acid, whose
titration curve is shown below, has this value.
1.883.65
9.60
$500 Answer from Amino Acids
What is 2.77?
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$100 Question from Protein Function
This is the name of a molecule that a protein
binds reversibly.
$100 Answer from Protein Function
What is a ligand?
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$200 Question from Protein Function
Hemoglobin has a binding curve which explains
why it is a good oxygen transporter but a poor oxygen
storage molecule.
$200 Answer from Protein Function
What is sigmoidal?
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$300 Question from Protein Function
The two major muscle proteins that are involved in muscular contraction have
these names.
$300 Answer from Protein Function
What are actin and myosin?
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$400 Question from Protein Function
This is the value of Θ (theta) when [L] = KD.
$400 Answer from Protein Function
What is 0.5?
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$500 Question from Protein Function
This is the name of the molecule that is important in
the physiological adaptation of a human to the lower O2 levels
at high altitudes.
$500 Answer from Protein Function
What is 2,3-bisphosphoglycerate (BPG)?
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$100 Question from Carbohydrates
This monosaccharide has the following
structure:
$100 Answer from Carbohydrates
What is D-fructose?
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$200 Question from Carbohydrates
The monosacchairde units in this disaccharide are held together by a
glycosidic bond.
$200 Answer from Carbohydrates
What is an alpha 12 bond?
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$300 Question from Carbohydrates
These are the names of the two polysaccharides found
in starch.
$300 Answer from Carbohydrates
What are amylose and amylopectin?
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$400 Question from Carbohydrates
Hyaluronate is an example of this type of compound which is
composed of repeating monomer units that are either N-acetyl-glucosamine or N-acetyl-
galactosamine.
$400 Answer from Carbohydrates
What are glycosaminoglycans?
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$500 Question from Carbohydrates
In gram negative bacteria, these cover the
peptidoglycan layer of the membrane.
$500 Answer from Carbohydrates
What are lipopolysaccharides?
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$100 Question from Bioenergetics
Glycolysis is an example of this type of metabolic
process since it releases energy.
$100 Answer from Bioenergetics
What is catabolism?
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$200 Question from Bioenergetics
This equation relates entropy, enthalpy, and Gibbs free energies.
$200 Answer from Bioenergetics
What is ΔG = ΔH - T ΔS
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$300 Question from Bioenergetics
This is the standard free energy change (in kJ/mole) of a reaction run
at 25°C if the equilibrium mixture consists of 19 mM of product and
1 mM of reactant. (R = 8.315 kJ/mole)
$300 Answer from Bioenergetics
What is -7.3 kJ/mole?
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$400 Question from Bioenergetics
This is the type of chemical reaction which often has standard free energy values close to
zero.
$400 Answer from Bioenergetics
What is isomerization?
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$500 Question from Bioenergetics
Two reasons that hydrolysis reactions with large, negative, standard free-energy changes
have products that are more stable than reactants are that the products may be
stabilized by ionization and the products may be stabilized by isomerization.
What are two other reasons for this increased stability of products?
$500 Answer from Bioenergetics
What are: Bond strain in reactants due to
electrostatic repulsion is relieved by charge separation
andProducts are stabilized by resonance
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