Enzymes RP 5 Flashcards
1
Q
Which enzyme digests starch in the human digestive system?
A
Amylase
2
Q
Whats the first step of the practical?
A
To put a drop of iodine solution into each well of a spotting tile
3
Q
How many test tubes should be used and what are the measurements for the solutions?
A
3 test tubes and 2cm³ for amylase and starch solution and 2cm³ pH 5 buffer solution.
4
Q
What temperature should the test tubes be at in the water bath?
A
30°C for 10 minutes
5
Q
After 30 seconds use the stir rod to transfer a drop of the solution, what shall we see?
A
It should to turn a blue-black color and we should repeat it till it stays orange. (Repeat several times using different pHs.)
6
Q
Name one problem
A
Taking every 20 seconds as it only gives us an approximation
