In photosynthesis, the light dependent phase takes place in the thylakoid membranes.
Answer:
The distance is less than one kilometer, because one kilometer is equal to 100000 centimeters.
Isotopes are elements with same atomic number Z= number of protons but different mass number A, where A= Z+N, N= number of neutrons which is variable. As for radioisotopes, I’ve never heard of them before !
