The functions of the NUCLEUS in the cell resembles the functions of the brain in higher animals. This is because, it is the nucleus that direct all the cell activities and it also contains the genetic material in form of DNA.
The answer is, d. consists of circular DNA molecule . The circular DNA is found in bacterias and archeas (which are prokaryotic organisms). The picture shows bacterial chromosome.
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What do you mean by I control all metabolic activities of the cell
Answer: In meteorology, an occluded front is a weather front formed during the process of cyclogenesis, when a cold front overtakes a warm front. When this occurs, the warm air is separated (occluded) from the cyclone center at the Earth's surface. i found this on Wikipedia if u want to find more
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