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uysha [10]
3 years ago
12

What is our heart made out of?

Biology
1 answer:
lutik1710 [3]3 years ago
5 0

Explanation:

blood and veins i guess.

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DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. ... The separation of the two single strands of DNA creates a 'Y' shape called a replication 'fork'.

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Arlecino [84]
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