And investigated the digestion of a protein called gelatin He used an enzyme called pepsin from the human stomach, and three cubes of
gelatin each 1 cm
He set up the evenment shown below and put the test tubes in a water bath at 37°C
He measured the time for the digestion of the gelatin
test tubes in
water bath
at 370
c
pepsin
pepsin
boiled pepsin
1 om of gettin
1 cm di gelatin
1 cm of gelatin
cut into pieces
3 drops of acid
3 drops of acid
3 drops of acid
(a) Why did And choose a temperature of 37 for the water bath?
It breaks down the gelatin
The acid needs to be warmed up
It is the same temperature as the human body