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a_sh-v [17]
3 years ago
12

Which is the main organ of the excretory system?

Biology
2 answers:
aalyn [17]3 years ago
7 0

Answer: A. Kidney

Explanation: This is because the kidney is the chief organs of the urinary system.

Leokris [45]3 years ago
5 0
A. Kidney 
It is one of the major organs 
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Describe the direction of DNA replication. Why is that important?
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DNA replication is the process by that DNA make a copy to the cell division.

Explanation:

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  • DNA replication is the basis of single strand to 3 prime and 5 prime  end, these refer to the carbon atom in the chain attaches.
  • DNA replication allow the strand to the one another strand to used in partner strand.
  • DNA replication is to matched in the template strand at one time with the creation of bonds,they high energy bonds.  

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