Determine the amount of glucose in the unknown sample by plotting a standard curve of Absorbance at 620 nm on Y-axis and μg of glucose on the x-axis

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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Determine the amount of glucose in the unknown sample by plotting a standard curve of Absorbance at 620 nm on Y-axis and μg of glucose on the x-axis.

 

Table 1: Raw data for the Anthrone test
Glucose
Sample No.
(1) Blank
2
3
4
5
6
7
8
9
10
(μL)
50
100
200
300
400
500
750
1000
Unknown
(µg)
10
20
40
60
80
100
150
200
??
Distilled H₂O
(μL)
1000
950
900
800
700
600
500
250
Anthrone
reagent (mL)
5
5
5
5
5
5
5
5
5
5
A620
Transcribed Image Text:Table 1: Raw data for the Anthrone test Glucose Sample No. (1) Blank 2 3 4 5 6 7 8 9 10 (μL) 50 100 200 300 400 500 750 1000 Unknown (µg) 10 20 40 60 80 100 150 200 ?? Distilled H₂O (μL) 1000 950 900 800 700 600 500 250 Anthrone reagent (mL) 5 5 5 5 5 5 5 5 5 5 A620
F:F
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BB
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+
ZOO resources
A
Sample
1
zoo 111 lec post lab
27 100%
fx A620
2
3
4
5
6
7
8
9
10
business
results from f2f biochem lab
File Edit View Insert Format Data Tools Extensions Help Last edit was seconds ago
BIS A
✰ docs.google.com/spreadsheets/d/1puQXKaLr2WRn59fFDzuA6yS-dEISQLT2tS-TTpF8bpQ/edit#gid=0
Sheet1
zoo 111 lec and lab
$ %0.00 123-
B
Concentration of Glucose (ug)
0
10
20
40
60
80
100
150
200
unknown
Default (Ari... ▼ 10
C
wika
A620 - R1
0.001
0.101
0.024
0.0392
0.347
0.58
0.626
0.949
1.996
2.413
scientifico +
A620
A620 - R2
0.001
0.079
0.15
0.288
0.361
0.515
0.623
0.776
0.976
2.362
2.5
2.0
1.5
1.0
Standard Curve of A620 and µg of Glucose
-A620 -6.57E-03*x + -0.0206 R² = 0.983
0.5
D
0.0
0
83-
E
A620 - R3
0
0.038
0.108
0.319
0.409
0.544
0.635
50
0.803
1.165
2.39
X
100
P
Concentration of Glucose (ug)
F
A620
0.0006666666667
0.07266666667
0.094
0.2154
0.3723333333
0.5463333333
0.628
0.8426666667
1.379
2.388333333
150
200
1.
M
Type
Chart editor
Setup
Tenumme
Linear
Line opacity
Label
40%
Use Equation
Show R²
+
> Legend
Count: 22
Line color
2px
> Horizontal axis
Sum: 666.5394
Avg: 35.08102105
Min: 0
Max: 200
Line thickness
a Share
Customize
Count Numbers: 19
X
Explore
31
Ꭷ
●
+
>
Transcribed Image Text:F:F 1 2 3 4 5 6 7 8 BB 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 + ZOO resources A Sample 1 zoo 111 lec post lab 27 100% fx A620 2 3 4 5 6 7 8 9 10 business results from f2f biochem lab File Edit View Insert Format Data Tools Extensions Help Last edit was seconds ago BIS A ✰ docs.google.com/spreadsheets/d/1puQXKaLr2WRn59fFDzuA6yS-dEISQLT2tS-TTpF8bpQ/edit#gid=0 Sheet1 zoo 111 lec and lab $ %0.00 123- B Concentration of Glucose (ug) 0 10 20 40 60 80 100 150 200 unknown Default (Ari... ▼ 10 C wika A620 - R1 0.001 0.101 0.024 0.0392 0.347 0.58 0.626 0.949 1.996 2.413 scientifico + A620 A620 - R2 0.001 0.079 0.15 0.288 0.361 0.515 0.623 0.776 0.976 2.362 2.5 2.0 1.5 1.0 Standard Curve of A620 and µg of Glucose -A620 -6.57E-03*x + -0.0206 R² = 0.983 0.5 D 0.0 0 83- E A620 - R3 0 0.038 0.108 0.319 0.409 0.544 0.635 50 0.803 1.165 2.39 X 100 P Concentration of Glucose (ug) F A620 0.0006666666667 0.07266666667 0.094 0.2154 0.3723333333 0.5463333333 0.628 0.8426666667 1.379 2.388333333 150 200 1. M Type Chart editor Setup Tenumme Linear Line opacity Label 40% Use Equation Show R² + > Legend Count: 22 Line color 2px > Horizontal axis Sum: 666.5394 Avg: 35.08102105 Min: 0 Max: 200 Line thickness a Share Customize Count Numbers: 19 X Explore 31 Ꭷ ● + >
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