The cell membrane is made up of a double layer of cellulose a single layer of cellulose a double layer of protein a double layer of phospholipids

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.

By going through the process of cellular respiration the cell can gain molecules of atp.