In order to determine in which cell oxygen will move faster, we need to consider the factors that affect the rate of diffusion, which include concentration gradient, temperature, surface area, and the nature of the barrier through which diffusion occurs.
In general, oxygen will move faster under the following conditions:
Greater Concentration Gradient: The rate of diffusion is directly proportional to the concentration gradient. The greater the difference in oxygen concentration between two sides of a barrier, the faster oxygen will move. So, if cell A has a higher oxygen concentration than cells B, C, and D, oxygen will move faster in cell A.
Higher Temperature: Generally, gases diffuse faster at higher temperatures. If the environment in which these cells are located has a higher temperature, oxygen will diffuse more rapidly.
Larger Surface Area: A larger surface area for diffusion allows for more molecules to pass through, resulting in faster diffusion. So, if cell A has a larger surface area for oxygen exchange compared to the others, oxygen will move faster in cell A.
Thinner Barrier: A thinner barrier through which diffusion occurs will result in faster diffusion. If the membranes or barriers in cell A are thinner compared to the others, oxygen will move faster in cell A.
Without specific information about the conditions in each cell and the factors mentioned above, it's not possible to definitively determine which cell will allow oxygen to move faster. The rate of diffusion depends on the specific circumstances in each cell.