Problem:

Question 1: What happens if a red blood cell is placed in a hypotonic solution?

A) the cell will shrink

B) the cell will swell and may burst

C) the cell will remain the same size

Question 2: Which of the following is not a characteristic of enzymes?

A) they are proteins

B) they speed up the rate of chemical reactions

C) they act on specific substances called substrates

D) they are used up in each reaction, thus need to be produced in large quantities

Provide a brief explanation for your answer.