21. Match each of the following six biotechnology terms from the first column with its corresponding best meaning from the second column. Write the correct alphabetical letter in the blank space provided below the table, for each answer. Note: Each meaning can only be used once. Biotechnology term Meaning a) Circular, non-chromosomal bacterial DNA used to clone, transfer, and recombine genes b) Enzyme used to attach nucleotides to DNA strand c) Used to separate DNA by segment strand length d) Used to visualize DNA in agarose gels under UV light 1. Taq polymerase 2. Ethidium bromide 3. Plasmids 4. Thermocycler

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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.