Question

(a) Fig. 10.1 shows the activity of some bacterial enzymes at different temperatures.

Complete the sentences to describe the results in Fig. 10.1.
The only two enzymes active at 60°C are enzymes ………………….. and ……………………
The greatest activity for enzyme E is at ………………….. °C.
The enzyme active over the greatest range of temperatures is enzyme ……………………
(b) State one factor, other than temperature, that affects enzyme activity.
………………………………………………………………………………………………………………………..
(c) Enzymes are proteins.
Circle the elements that all proteins are made from.

                            carbon                    calcium                       hydrogen

                                                oxygen                    nitrogen

(d) State the name of the solution used to test for the presence of protein.
…………………………………………………………………………………………………………………………… 
(e) The boxes on the left show some biological molecules.
The boxes on the right show the smaller molecules they are made from.
Draw lines to link each biological molecule to all the smaller molecules they are made from.