Question

Question 1 (1 point) Cellulose and glycogen are both structural polysaccharides True False

My answers are:

Question 1: False

Question 4: proton transfer with a pK close to 4

Question 5: the active site contains an aspartic acid and glutamic acid, both of which must be deprotonated

Question 8: 2 histidine residues with somewhat different pKa values act as acids and bases during catalysis

Can someone please check my answers?

Answer 1

1 answer is false because glycogen is an storage polysachharide whereas cellulose is an structural polysachharide.

4 inflection point  is a point on a continuous plane curve at which the curve changes from being concave to convex  or vice versa..thus in a ph versus rate curve if there is an inflection point it indicates that there is an proton transfer and in the given situation at ph 4 there is an inflection suggesting of a pk 4. Thus the answer is Option C

5 answer is B  because as the deprotonation occurs only at acidic ph thus causing deprotonation

8 answer is b