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More Biology Questions
Consider the following statements 1. The first organism were heterotrophs. 2. Life appeared first in water. 3. There is no life on moon because of absence of water. Which of the statements given above is/are true?
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Consider the following statements regarding satellite DNA and choose the correct answer: 1. Satellite or Repetitive DNA consists of short identical genes which are repeated in tandem several hundred or thousand times 2. Such DNA is found in the region of the chromosome adjacent to the centromere 3. It is easy to separate repetitive DNA by ultracentrifugation