Which statement regarding the functioning of the cell membrane of organisms is not correct? a) the cell membrane forms a boundary that separates the cellular contents from the outside environment. b)the cell membrane is capable of receiving and recognizing chemical signals. c)the cell membrane forms a barrier that keeps all substances that my harm the cell from entering the sale. d) the cell membrane controls the government of molecules into and out of the cell.

If a set of instructions that determines all of the charactersitics of an organism is comparedto a book,and a chromosme is compared to chaper in the book,then what might be compared to a paragraph in the book?

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c.carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit