Biological Science (6th Edition)

Published by Benjamin Cummings
ISBN 10: 0321976495
ISBN 13: 978-0-32197-649-9

Chapter 5 - An Introduction to Carbohydrates - Review - Case Study - Page 118: 15

Answer

Non-fructose-fed rats took less time to escape the chamber than their peers who consumed fructose. Among the rats that had different omega-3 fatty acid diets, rats that consumed omega-3 fatty acids were quicker to find the escape chamber. This indicates that the omega-3 diet enhanced memory and combated the negative effects of the fructose diet.

Work Step by Step

The rats that were supplemented with only omega-3 fatty acids (and not fructose) escaped in within 20 seconds. That rats which were fed neither omega-3 fatty acids nor fructose took a bit longer, but still managed to escape in less than 40 seconds. When the rates were fed both, the effect of fructose on memory was somewhat alleviated by omega-3 fatty acids, with the rats escaping in less than 60 seconds. However, when only fructose was given, the rats took the longest to escape (more than a minute and a half), indicating that there exists a correlation between a high fructose diet and memory.
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