Density is calculated by density equals mass divided by volume. So mass and volume certainly affect density. Density does not depend on gravity and weight, however.
Explanation: B DNA is a good approximation of the structure of DNA found in cells i.e. in both plant and animal cells, the most common structure of DNA observed is the B DNA.
<span>Facilitated Diffusion- Does not use energy. Membranes in the cell membrane pick up molecules & carry them across the membrane from high to low concentration</span>