2. A new animal has recently been discovered by one of your colleagues, and you have been asked to estimate the metabolic rate. You are sent 10 animals and you measure their weight with a digital scale and their CO: production (ml/h) with a metabolic chamber. Your data are shown in the table. Answer the questions below. Weight (g) 1.5 5.0 9.3 17.7 21.5 29.4 40.1 44.7 Metabolic rate (CO; in ml./h). 0.664 1.60 2.35 3.69 43 5.3 5.85 6.65 7.20 A. Plot the raw data and log-transformed data by hand (on a piece of graph paper preferably). Are the lines different?

Ebk:Nutrition & Diet Therapy
10th Edition
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Author:DEBRUYNE
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Chapter6: Metabolism, Energy Balance, And Body Composition
Section: Chapter Questions
Problem 1CA
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22. A new animal has recently been discovered by one of your colleagues, and you have been asked
to estimate the metabolic rate. You are sent 10 animals and you measure their weight with a
digital scale and their CO: production (mL/h) with a metabolic chamber. Your data are shown in
the table. Answer the questions below.
3
7
3
6
7
8
9
10
Weight (g)
1.5
5.0
9.3
13.25
17.7
21.5
29.4
34.2
40.1
44.7
Metabolic rate (CO2 in ml/h)
0.664
1.60
2.35
3.15
3.69
5.3
5.85
6.65
7.20
A. Plot the raw data and log-transformed data by hand (on a piece of graph paper preferably).
Are the lines different?
B. From the data below, estimate a and b for the relationship: MR-aW® where MR is metabolic
rate (CO2 in ml/h) and Wis weight. Please include the final equation in your answer.
Hints: You should get positive numbers for both a and b. The value bis a slope on log-log
axes (so you only need to know how to figure out a slope; you don't need any physiological
info from our textbook). Once you have an estimate of b, an easy way to estimate the value a
is to use regular (non-log) values.
C. How does your estimate of b compare with that of other organisms?
Transcribed Image Text:22. A new animal has recently been discovered by one of your colleagues, and you have been asked to estimate the metabolic rate. You are sent 10 animals and you measure their weight with a digital scale and their CO: production (mL/h) with a metabolic chamber. Your data are shown in the table. Answer the questions below. 3 7 3 6 7 8 9 10 Weight (g) 1.5 5.0 9.3 13.25 17.7 21.5 29.4 34.2 40.1 44.7 Metabolic rate (CO2 in ml/h) 0.664 1.60 2.35 3.15 3.69 5.3 5.85 6.65 7.20 A. Plot the raw data and log-transformed data by hand (on a piece of graph paper preferably). Are the lines different? B. From the data below, estimate a and b for the relationship: MR-aW® where MR is metabolic rate (CO2 in ml/h) and Wis weight. Please include the final equation in your answer. Hints: You should get positive numbers for both a and b. The value bis a slope on log-log axes (so you only need to know how to figure out a slope; you don't need any physiological info from our textbook). Once you have an estimate of b, an easy way to estimate the value a is to use regular (non-log) values. C. How does your estimate of b compare with that of other organisms?
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