Ap Bio Frq Essay

Danielle Christian

AP Biography FRQ #2

January twenty second, 2013

A. ) Graph #1

A. ) Computation

The rate of reaction via 0-30 minutes is zero. 34667; r=10. 4μM /30 minutes

N. ) Explanation

The reaction was observed after 30 minutes since the reaction price eventually slows down and the chemical reaches the maximum potential. Considering that the enzyme is usually using the base so quickly, the substrates concentration reduces. That means the interest rate will reduce. Our chart shows that following about 45 minutes, the enzyme is much less active.

C. ) Chart #2

C. ) Explanation

The substrate is consumed faster since there is two times as much enzyme. The starch would have split up the substrate fastest inside the first eight minutes, which is why the graph's 2nd point is twice. But it continue to levels away at the same time as well as the concentration with the maltose can be consistent with the first because zero extra starch was used. Nevertheless , since the rate of reaction is being doubled as well, that means the maltose would level off very much quicker compared to the original.

D. ) Two Environmental Factors

1 important factor which could affect the level of enzyme-meditated reaction can be temperature. Below 5° the enzyme is inactive. When they enzyme can be cold, molecules move reduced, and the base an chemical don't genuinely work. Coming from 5° to 40°C the enzyme raises in activity, but then denatures at 40°C. If you high temperature the chemical above their optimal range, the hydrogen bonds break meaning the protein loses it supplementary and tertiary structure. The denaturing triggers the effective sight to modify shape and the substrate no more fits. That means the rate of reaction diminishes, and the chemical can no longer gain back its shape unless with a chaperonin. The second important factor is usually pH level. The ph level level affects the state of ionization of the chemical. If the enzyme pH is too low or too high, it might cause it to denature. This diminishes the enzymes activity and rate of reaction. Many enzymes come with an optimum pH at fairly neutral, but it can be...