In eukaryotic cells, the enetic structure consists of dna and a tightly wound protein, which together form a substance called

What must be true for natural selection to heppen

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear