Which of the following did you include in your response? check all that apply. prepare three test tubes containing reactant a. prepare three test tubes containing reactant b. add one test tube of reactant b and one unknown to one test tube of reactant a. repeat for the other two unknowns. time the reaction until bubbling stops. the unknown that causes the reaction to occur the quickest is the catalyst.

The second and fourth choice would be the answers

answer: glucoamylase presented optimum activity at temperature of 55â°c, and, in the glycosidic bonds from the non-reducing ends of starch, resulting in the production of glucose. source and type of fermentation can affect the enzyme's properties

credit to kalahira

idk what the options are but

these is a strong electrostatic attraction between the ions hence a lot of energy is needed to overcome this attraction

this is why the boiling points are so high