Answer:
nucleus
Explanation:
Chromosomes are contained inside the cell's nucleus . These are long, thin, threadlike structures made from molecules of DNA that store genetic information. Chromosomes are found in the nucleus of body cells in pairs - one chromosome is inherited from the mother and one is inherited from the father.
1 is D. Mechanical Energy To Chemical Energy.
2. is C. Making of glucose.
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-Davismr00.