Biology 0610: ENZYMES Topical Past Paper Questions

(a) Figure 2.1 is a photomicrograph of the smallest bone in the human body. Figure 2.1 (i) Draw a large diagram of the bone shown in Figure 2.1. [4] (ii) Line AB represents the width of the bone. Measure the length of line AB mm in Figure 2.1. length of line AB Calculate the actu…

Amylase is an enzyme that catalyses the breakdown of starch to form reducing sugars. Plan an investigation to determine the effect of pH on the activity of amylase. Use iodine solution in your method. [6]

Enzymes are catalysts. (a) > (i) Describe what is meant by the term catalyst. [2] > > (ii) Enzymes are proteins. > > State the names of the chemical elements found in all proteins. [2] (b) Lipase is an enzyme found in the human digestive system. Fig. 1.1 shows the effect of pH on…