Which of the following statements is not true about metal ion catalysts? o a metal ion can make a reaction center more susceptible to nucleophilic attack. o a metal ion can make a leaving group a stronger base o a metal ion can make water a stronger acid. o a metal ion can stablize a developing negative charge on a transition

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

b.

the accuracy of the data.