biology molecules sugars etc

Please answer each question and cite sources as well

  1. What class of biological molecules does sugar belong to?
  2. What are the most common types of sugars in our diet?
  3. How do sugar molecules provide us with energy? What is the role of sugar in human evolution?
  4. What are the dangers of consuming excess sugar?
  5. In terms of sugar consumption, what are potential dangers of processed foods and low-fat foods?
  6. What other molecules (besides sugars) serve as a source of energy for our bodies?
  7. Research suggests that obtaining (or keeping) a healthy weight is much more complex than just reducing caloric intake and exercising. Based on the information presented in the article, categorize different factors in three groups:
    1. Factors contributing to weight gain
    2. Factors contributing to weight loss
    3. Factors not associated with either with weight loss or weight gain
  8. Analyze your diet and life-style and make specific recommendations for yourself on how to achieve (or maintain) healthy weight.