Which part of a dna nucleotide contains a negative charge

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Dna replication allows the basic.units of.heredity found on segments of dna called to be passed on from parent to offspring.