Question 2 Match the following terms having to do with DNA Replication. helicase DNA ligase DNA polymerase I gyrasen 1. unwinds and unzips the DNA helix, breaking apart hydrogen bond 2. stabilizes the DNA helix upstream from the origin of the DNA replication fork. This prevents super-coiling of the DNA as it is being unzipped by helicase. 3. removes RNA primer and replaces RNA bases with correct DNA ones 4. rejoins the Okazaki fragments on the lagging strand

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Nutrition and diet

We are involved in several daily activities. These actions need a significant quantity of energy. The food we eat provides this energy. Food is necessary for development, repair, and other living activities since it supplies energy. All of these are part of the living practice known as nutrition. Nutrition is the study of nutrients in food, how the body uses them, and the relationship between diet, health, and disease. Nutritionists employ concepts from molecular biology, biochemistry, and genetics to understand how nutrients affect the human body. Nutrition also looks at how people can use their diet to reduce their risk of disease, as well as what happens when they ingest too much or too little of a nutrient and how allergies emerge.