Que son las bases nitrogenas con se llama cada una de ellas y que función tienen en él ADN ?
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Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

The specific heat of ice is 0.5 calories/gram°c. 20 grams of ice will require ll calories to raise the temperature 1°c. 05

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?