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>
The optimum temperature for growth of e. coli bacteria is around 37 degrees celsius and 98.6 degrees fahrenheit.
The sun appears to cross the plane of Earth's equator
when it reaches either one of the "equinox" points in the sky.
Answer:
never give up its an order if you do then so dose life
Explanation:
never give up
I think it would be the sclereids cells
