In the model of dna, the colored pegs represent the four nitrogen bases found in every dna molecule. one possible correct labeling suggestion could be

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

What is the farthest destination to date for a human spaceflight mission?

The chemical form of energy that is useable by the cell to do work