Cell membranes
· large biomolecule
· many high energy bonds
· nonpolar covalent bonds
· includes waxes and steroids
· consists mainly of carbon and hydrogen
· more energy per gram than other biomolecules

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.