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biology 0610printed 59 · PDF 59
328 pagesrevision 46933
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Aitchison College Academic Resources.
6 The diagram shows the effect of an enzyme working in the human digestive system.
enzyme at pH 1.5 oie
and temperature 37°C tee
protein amino acids
What would reduce the rate of production of amino acids?
removing the amino acids as they are formed
increasing the amount of protein
raising the temperature to 40°C
raising the pH to 7.5
oo @ >
7 Which group of compounds ensures that metabolic reactions take place effectively?
carbohydrates
enzymes
fatty acids
hormones
00 BD P,P
8 The diagram shows an experiment on the digestion of the protein in egg albumen by protease.
The protease was taken from a human stomach.
In which test-tube will the protein be digested most quickly?
TL IL
-
+ + + +
protease dilute dilute dilute
hydrochloric hydrochloric hydrochloric
acid acid acid
+ +
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