13. Which of these statements best describes the function of the cell membrane? A) It allows substances to freely enter and exit the cell
B) It controls which substances enter and exit the cell
C) It prevents substances from entering the cell
D) It prevents substances from exiting the cell

Which measure of an earthquake depends on how close you are to the focus?

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

What goes in and out of a cell respiration?