Question: The cell membrane is made up of

Answer: Lipid bilayer

Question: The cell membrane is blank permeable which means

Answer: Semi and it means when some substances can’t cross the membrane but some can

Question: Diffusion always causes particles to move from a region of blank concentration to a region of blank concentration

Answer: High to low

Question: Does a so use energy when molecules diffuse through the natural concentration gradient

Answer: No

Question: Blank requires (ATP ) to transport molecules against concentration gradient

Answer: Active transport

Question: In blank and blank no energy is used which one needs a helper to get across

Answer: Diffusion and facilitated diffusion The facilitated defusion needs a helper to get across

Question: Three on the inside one on the outside

Answer: Arrow inside

Question: One on the outside five on the inside

Answer: Arrows go inside

Question: One on the inside five on the outside

Answer: Arrows outside

Question: 10 on the inside and on the outside

Answer: Arrows go inside and outside