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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Lycopene, which is abundant in tomatoes, is thought to have a potential benefit in protecting against many types of cancers. In the study, the results of which are shown in the Figure, mice were exposed to tobacco smoke or normal air. The amount of lung tissue damage caused by each exposure was measured in mice that were given tomato juice (1) or water (2). To estimate the destruction of the alveolar wall, a destructive index (DI) was calculated from histological slides of the lung. All lungs will show some level of damage, but a DI above 10% is considered significant destruction.

Chapter 46, Problem 2ITD, Lycopene, which is abundant in tomatoes, is thought to have a potential benefit in protecting

Do these data suggest that lycopene has a protective effect against tobacco’s effects?

Source: Based on S. Kasagi et al. 2006. Tomato juice prevents senescence-accelerated mouse P1 strain from developing emphysema induced by chronic exposure to tobacco smoke. American Journal of Physiology–Lung Cellular and Molecular Physiology 290:L396–L404.

Summary Introduction

To review:

Whether the data given below suggest the protective effect of lycopene against tobacco’s effect. The data are represented by the graph shown below:

Biology: The Dynamic Science (MindTap Course List), Chapter 46, Problem 2ITD

Introduction:

Lycopene is a carotenoid pigment found in tomatoes, carrots, watermelons, and papayas. It is a good source of vitamin C and is a powerful antioxidant. It is assumed to impart benefits by protecting against different types of cancers.

Explanation

Lycopene prevents the formation of free radicals in the body, which are linked to certain diseases like cancer, diabetes, and heart diseases. Antioxidant properties of lycopene keep free radicals in balance, thus prevent the body from these chronic diseases.

Data obtained from the study indicated that mice, when given tomato juice that contained lycopene, sho...

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