Create a sentence explaining how animo acids from proteins

What does it mean for a cell membrane to be selectively permable

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?

The model illustrates a process by which a substance is taken up by a cell. which statements describe the process? a. the model shows the process of endocytosis. b. the process shown in the model requires energy from the cell. c. the cell membrane in the model remains intact throughout the process. d. the model shows the process of facilitated diffusion.