Six test-tubes were set up at different pH values. They each contained the same quantity of starch and amylase in water. The table shows the time taken for the reaction to be completed in each test-tube. 1 3 5 7 9 11 pH time to be completed/s 95 64 42 35 66 At which pH does the amylase work best? B pH5 D PH11 A pH1 pH7 В D O A

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Six test-tubes were set up at different pH values. They each contained the same quantity of
starch and amylase in water. The table shows the time taken for the reaction to be completed in
each test-tube.
1 3 5 7 9 | 11
pH
time to be completed/s
95
64
42
35
66
At which pH does the amylase work best?
A pH1
pH5
pH7
рH11
O B
O A
5
Transcribed Image Text:Six test-tubes were set up at different pH values. They each contained the same quantity of starch and amylase in water. The table shows the time taken for the reaction to be completed in each test-tube. 1 3 5 7 9 | 11 pH time to be completed/s 95 64 42 35 66 At which pH does the amylase work best? A pH1 pH5 pH7 рH11 O B O A 5
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