The cell membrane is made up of what type of bi-layer A Hydrophillic Head and Hydrophobic Tail

B Hydrophobic Hear and Hydrophillic Tail

C Cholesterol and DNA

D Protein Chambers and MicroFilaments

Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall