There are two classes of membrane transport proteins—carriers<span> and </span>channels<span>. Both form continuous </span>protein<span> pathways across the lipid bilayer. Whereas transport by </span>carriers<span> can be either active or passive, solute flow through </span>channel proteins<span> is always passive.</span>
They show evidence of other life beyond us, when we see fossils they give is info that can determine other scientific data that is important for human life
Answer:
tobacco plant
Explanation:
because of the nicotine from tobacco
Answer:
option c. produce their own light.
