Answer:
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.
A place where animals and plants are protected is an ecosystem
Answer:
well really it's all of them except D. and i think this should serve as a reminder to help protect are environment and have a great day
NADH is an energy carrier molecule that shuttles some of the energy from glycolysis
