Cengage Advantage Books: Biology: The Dynamic Science, Loose-leaf Version
Cengage Advantage Books: Biology: The Dynamic Science, Loose-leaf Version
4th Edition
ISBN: 9781305655911
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Brooks Cole
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Chapter 48, Problem 2ITD
Summary Introduction

To analyze:

The phase in which the urine of the children contains the maximum level of chlorpyrifos metabolite in the following experiment.

Given:

Levels of metabolites (breakdown products) of malathion and chlorpyrifos in the urine of children taking part in a study of effects of an organic diet:

Malathion metabolite Chlorpyrifos metabolite
Study phase No. of samples Mean (µg/L) Maximum (µg/L) Mean (µg/L) Maximum (µg/L)
Nonorganic 87 2.9 96.5 7.2 31.1
Organic 116 0.3 7.4 1.7 17.1
Nonorganic 156 4.4 263.1 5.8 25.3

Introduction:

The food substances that are produced as a result of the practice of organic farming is referred to as organic foods. These are beneficial for the human consumption, as these food substances do not tend to accumulate the toxic substances in the human body.

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