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biology 1407 homework

Bonus points awarded for responses that answer the question completely and that are written in paragraph form.

1. Hair is largely made up of the protein keratin.  In a short essay, explain why a shampoo containing keratin protein is not effective in replacing protein in damaged hair.  In your explanation, trace the path of protein digestion and absorption.  Ch 41 Nutrition.  

2. Hundreds of studies have linked smoking with cardiovascular and lung disease. In 1970, Congress passed the Public Health Cigarette Smoking Act, banning the advertising of cigaretteson television and radio. Anti-smoking groups have proposed that cigarette advertising in allmedia be banned entirely.  Do some research on this topic.  What are some arguments in favor of a total ban on cigarette advertising?  What are arguments in opposition?  Do you favor or oppose such a ban?  Ch 42 Circulation and Gas Exchange  

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