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Some enzymes are produced as zymogens because
a) the reactions they catalyze are undesirable at the site of production
b) they must have both an active site and an allosteric site, and these can't be produced simultaneously
c) the actual enzyme molecules are so large that they must be produced in pieces and assembled as needed
d) the pH at the site of production is very different from the pH at the site where they are used
e) no correct response
Protein Quatification IS your spectrophotometer accurate? In other words,is the absorbance response it gives to your at A280 correct?
If 1.87 of acetic acid() reacts with 2.31 of isopentyl alcohol() to give 2.96 of isopentyl acetate(), what is the percent yield of the reaction?
Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.
An insoluble non reactive solid metal sphere weighing 41.55 g is added to 35.82 mL of water in a graduated cylinder. If he density of the metal is 11.91 g/mL
Titration with sodium thiosulfate required the use of 18.94mL of 0.07992M Na;>203' Find the molarity of ascorbic acid in the juice.
write the half reaction for oxidation of n-butanol. (d) Calculate Eo' at 25.0 oC for the n-butanol half reaction in (c) above
Consider the following process. which of the following correctly applies? chose answere from the following answers. (a) termination step (b) polar reaction (c) unsymmetrical bond formation (d) produces a radical
One of the side effects of taking non-steroidal anti-inflammatories like aspirin and ibuprofen is a degradation of the integrity of the stomach lining.
heated in a stream of hydrogen until it was completely converted to the metal, If the metal weighed 1.68g, what is the formula of the iron oxide? (fe =56, O = 16)
Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions. 1. Show half reactions
Further studies will refine how much water is needed for endangered species protection. States hope it will be the 130-150 KAF initially agreed upon rather than the 415 KAF the FWS thinks it is. What happen if cooperative agreement fails?
A section of membrane with an aquaporin (AQP) has a water transport rate of about 3 billion water molecules per second (3 × 109 molecules·s-1).
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