HKDSE BIOLOGY: Connecting Concepts
According to the design of the investigation, which of the following is being
Which of the following test tubes was the control for the experiment?
Which set-up(s) showed that the reaction was controlled by an enzyme?
set-up 1 only
set-ups 1 and 2 only
set-ups 2, 3 and 4 only
set-ups 1, 2 , 3 and 4
##(a) C, (b) B, (c) B##
Given a solution containing starch, amylase and lipase, which of the following tests will
give a negative result to this solution?
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