How can we differentiate between cell and cell membrane?

What is the antonynyms for abundant? How do you find saturated point? Derive the relationship between micrograms per meter cube and parts per million? What problems can occur in the cell cycle? What is a coastal spit? Why do they call tissues man-size? What happens when chlorophyll absorps a proton? How renatured and denatured proteins are structurally compared? How do Eskimos travel on the snow? What year did the three robots arrived at Jupiter? Why is polymer bouncy? What is the second largest race in the world? What causes the gravitational pull between the moon and the earth? How many 60x90 flagstones in 15 square meters? What is an expensive alloy of iron mixed with relatively large proportions of other metals called? Photosynthesis uses carbon dioxide water and sunlight to make what molecules? Where is Ares last location? Which element are found only along a zigzag line that divides columns 13 through 18 on the periodic table? How does the earthmove? How does something become radioactive?