The ions move from zones of high concentration to zones of lower concentration
The answer is; endocytosis
This is a form of active transport that enable cells to import large particles that cannot pass across the membrane. It is a bulk transport system. The opposite of endocytosis s exocytosis where the cell expels large particles to the outside of the cell.
For the first question, i think the correct answer is A. Normal cells undergo apoptosis while cancer cells don't. For the second question, The answer is option B.<span> </span><span>Cell division has two checkpoints namely, G1
checkpoint and spindle assembly checkpoint. The checkpoint which determines if
division has properly occurred is the G1 checkpoint. At this point, is a damage
in the DNA is detected or the has not reach the optimum size, the cell is
stopped in G1 and is not allowed to proceed to further process.</span>
Phosphate is when DNA has already been replicated. Metaphase is when the spindle attaches to the chromosomes. Anaphase is when the cells split and are called daughter cells. Telophase is when the nuclei is formed.
First is the second and the other one is the 4th
