EFFECT OF pH ON ENZYME ACTIVITY Results: Tube 1 Tube 2 Tube 3 Time in Minutes Iodine Benedict's Iodine Benedict's Iodine Benedict's (+) (orange-red precipitate) 30 + (+) + 15 (orange-red precipitate) + (+) + 15 (brick-red precipitate) (+) + 15 + (brick-red precipitate) Note: Mark (+) if the blue color appears and (-) if no blue color appears in iodine test. (+) if precipitate is formed and note the color of the ppt. and (-) if no precipitate is

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Why is it the answer in number 1 are test tubes 1 and 3

EFFECT OF pH ON ENZYME ACTIVITY
Results:
Tube 1
Tube 2
Tube 3
Time in
Minutes
Iodine
Benedict's
Iodine
Benedict's
Iodine
Benedict's
(+)
(orange-red
precipitate)
30
+
+
(+)
15
(orange-red
precipitate)
+
(+)
+
15
(brick-red
precipitate)
(+)
+
15
+
(brick-red
precipitate)
Note: Mark (+) if the blue color appears and (-) if no blue color appears in iodine test.
(+) if precipitate is formed and note the color of the ppt. and (-) if no precipitate is
Transcribed Image Text:EFFECT OF pH ON ENZYME ACTIVITY Results: Tube 1 Tube 2 Tube 3 Time in Minutes Iodine Benedict's Iodine Benedict's Iodine Benedict's (+) (orange-red precipitate) 30 + + (+) 15 (orange-red precipitate) + (+) + 15 (brick-red precipitate) (+) + 15 + (brick-red precipitate) Note: Mark (+) if the blue color appears and (-) if no blue color appears in iodine test. (+) if precipitate is formed and note the color of the ppt. and (-) if no precipitate is
1. In which tube is there evidence of unhydrolyzed starch after 30 minutes?
Transcribed Image Text:1. In which tube is there evidence of unhydrolyzed starch after 30 minutes?
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