High exposure to mercury is indicated by a blood level above 10 mg/L. How many mercury atoms are in a liter of blood that contains 10 mg mercury?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.