Oparin-Haldane hypothesis. The Oparin-Haldane hypothesis is named after the two scientists; <span>Russian scientist Aleksandr Oparin and English scientist J. B. S. Haldane. The two scientists separately hypothesized that life began when some inorganic molecules were converted into organic molecules specifically amino acids by the help of energy came from a lightning struck.</span>
Answer:
b. 100nm
Explanation:
The correct answer to the given question is 100nm. Low level of oxygen is observed when active fibers are at a distance of 50m or more than 50m from the perfused capillary, this is why the correct answer to the given question is 100nm, which is the option b. in the given question.
I answer i would choose is C
Genes are responsible for every cellular differences in a way that it is active on the same type of cell and inactive in another type of cell. The reason for genes to be active in a specific cell is because of enzymes or protein that turn it on.
Gases move from high-pressure areas to low-pressure areas. The bigger the difference between the pressures, the faster the air will move from the high to the low pressure.
