Question

1-How does an enzyme increase the speed of a reaction?

(a) By adding activation energy

(b) By lowering activation energy requirements

le) By decreasing concentration of reactants

(d) By increasing the concentration of products


2- An allosteric site on an enzyme is:

(a) The same as the active site

(b) Where ATP attaches and gives up its energy

(c) Often involved in feed-back inhibition

(d) At the opposite site of active site

3- magnessium (Mg+2) is an inorganic activator for enzym
a) magnase

b) phosphate

c) carbonic anhydrase

d) hexokinase​

Answer 1

1-b

2-d

3-d

thanku hope it helps u

Answer 2

Answer:

1)the increase the speed of reaction by lowering activation energy requirement.

2) an allosteric site on an enzyme is the same as the active site.

magnesium is an inorganic activator of enzyme phosphate.

hope it help