What is the function of proteins and carbohydrates that are embedded in a cell membrane? they control what enters and leaves the cell. they direct the reproduction process for the cell. they act as storage molecules for water. they provide nutrients that the cell needs.

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.