How many molecules of CO2 are contained in a 10.0 L tank at 7.53 atm and 485 K?
5.69 × 1023 molecules
1.14 × 1024 molecules
4.89 × 1024 molecules
3.30 × 1024 molecules
2.28 × 1024 molecules

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.