Why are hela cells considered "immortal" by scientists?

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

3differences between bacteria and other 2 cells

Draw a simple labelled diagram if a collenchyma tissue