Humans need to ingest vitamin C every day to stay healthy Is this due to the fact that vitamin C is chemically unstable? Explain
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Humans need to ingest vitamin C every day to stay healthy Is this due to the fact that vitamin C is chemically unstable? Explain
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- Consumption of dinitrophenol by animals results in an immediate increase in body temperature. Explain the phenomenon. Why is dinitrophenol not used as a diet aid?If the Vitamin C tablets are stored in a warm, humid bathroom cabinet, what might happen to the Vitamin C content over time? Explain.“Hitting the wall” is a term marathon runners use to describe their body’s reaction once their liver and muscle cells have run out of glycogen. What strategies could a marathon runner utilize to prevent this from happening?
- Advertisements for a food supplement to betaken by athletes claimed that the energy bars contained the twobest precursors of glycogen. What were they?Advertisements for a food supplement to be taken by athletes claimed that the energy bars contained the two best precursors of glycogen. What were they?(the answers are glucose and fructose but please explain why and how they are the best precursors of glycogen)During hibernation (in animals like the brown bear), after the body’s supply of carbohydrates and excess polypeptides have been used for energy, the hibernating animal must switch to using:
- Insulin, a hormone release in large part due to carbohydrate consumption and subsequent presence in the blood stream, will influence protein synthesis. Why does it make physiological sense for this overlap between the metabolism of two different classes of molecules?Among the many eat-all-you-want-and-lose-weight diets that have been popular for a time is one that eliminates all carbohydrates but permits the consumption of all the protein and fat desired. Would such a diet be effective?Why is daily ingestion of vitamin C more critical than daily ingestion of vitamin A?
- provide two reasons why cholesterol is important in the body?Humans synthesize most of the cholesterol required for cell membranes and for the synthesis of vitamin D and other steroid hormones. Keeping in mind that living organisms are selfregulating, what would you expect to happen if a person’s diet is high in cholesterol? Provide a reason for your response.How does a ketogenic diet decrease the level of urea in obese patients and increase the level of creatine in obese patients? (explain on a molecular level)