Answer:
deoxyribose
Explanation:
A phosphate backbone is the portion of the DNA double helix that provides structural support to the molecule. DNA consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
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Inert
That means it does not react with other atoms
Answer:
Predators, food chain, fights with males, toxic water, contamination, plastic
Explanation: