Explanation:
Simple Diffusion across the Cell (Plasma) Membrane The structure of the lipid bilayer allows only small, non-polar substances such as oxygen and carbon dioxide to pass through the cell membrane, down their concentration gradient, by simple diffusion.
Answer:
correct answer is A
Explanation:
nucleus is most important part of a cell as a town hall would be to a city
A string of nucleotides that hold information is called a gene. :)
Must be moving at a constant velocity
Hope this helps :)
Answer:
Mitosis occurs in somatic cells is true