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kiruha [24]
3 years ago
8

How are the two strands of a dna molecule bonded together to form a double helix?

Biology
1 answer:
zvonat [6]3 years ago
3 0
Guanine and adenine hope that helps I think
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On the other hand, chemical elements in the form of nutrients are recycled and made available to primary producers when decomposers in the ecosystem to break down organic matter. During decomposition, energy is released. Several nutrient recycling process have feedback mechanisms that ensures chemical elements are recycled back into the ecosystem as they are being used up by organisms.  

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