The ratio of an enzyme activity and the total amount of protein in that enzyme preparation is known as the "specific activity". This ratio intrinsically takes in account the differences in purity and activity between different enzyme preparations/purifications. For rGFP, we will define the specific activity as the relative fluorescent units per mg of total protein. Required:
a. What is the specific activity of your E3 fraction?
b. If the TA also performed the same experiment and found a lower specific activity in their E3 fraction, who (you or the TA) had the purer fraction

confused

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definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.