According to the question, the width of a pin is 0.001m and the width of a red blood cell is 6-8 μm.
Width of pin in μm = 1000μm.
So approximately 1000/8 red blood cells can fit which is equal to 125 RBCs.
Answer: 125 RBCs
Answer D) : from testing the starch by iodine
Answer:
I am assuming that the mutant cells have mutated beta galactosidase activity hence the relative levels of enzymatic activity would be reduced.