Answer:the speed
Explanation:when moveing ir in motion
Answer:
Proteins, Organelles, Cells, Tissues, Organs, Organisms
Explanation:
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.