The answer is C because the load shouldnt be greater than the effort, it isnt usually, but my best answer to you would be C
The exchange of matter or substances between the cell and its environment is dynamic as it varies in direction and rate as per the requirements of the cell. Thus,a cell attains a stead -state wherein the internal conditions of the cell remain constant. Hence, cell is considered to be a open dynamic system
It’s b chromosomes because the cell nucleus contains the majority of cells genetic material in the form of multiple linear DNA molecules