Which specific cell membrane component is responsible for creating a physical barrier designed to protect the cell organelles?

Is a hamster and guinea pig part of the same species ?

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis