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Mrrafil [7]
3 years ago
7

When a spoon tarnishes this type of chage has occurred?

Biology
1 answer:
Contact [7]3 years ago
4 0
I think its rest because it tarnishes so witch means dullness of color; loss of brightness according to the dictionary and when something rest it loses color and becomes a copper brown color 
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Why do cells need to replicate their DNA?
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Answer:

Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.

Explanation:

Cells must replicate their DNA before they can divide. This ensures that each daughter cell gets a copy of the genome, and therefore, successful inheritance of genetic traits. DNA replication is an essential process and the basic mechanism is conserved in all organisms.

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