According to the random walk model of diffusion, solute molecules move and thereby diffuse because of collisions with water molecules. Typical concentration of potassium inside the cell is 150 mM. If a cell diameter is 10 μm, estimate: a. The number of potassium ions in cell cytoplasm
b. The number of water molecules in cell cytoplasm.

What is the function of nucleic acids

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.