In facilitated diffusion, substances move into or out of cells down their concentration gradient through protein channels in the cell membrane. Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient.
The answer is B. brings cooler temperatures from the topics
Answer:
C
Explanation:
The reason for this is due to the process of elimination. I know the others have a better chance of being wrong. Also as someone currently going through that I'd hope it'd be correct lol :]
D) Connective tissue. Skeletal muscle Striated muscle. It is under the person's voluntary control
Answer:
B - Shape of the molecule that is known as a double helix
Explanation:
