Other molecules such as proteins, starch and sugar are simply too large to diffuse across the membrane. Sometimes, some of these large molecules are transported across the cell membranes by carrier proteins; this does not require energy and as a result is a form of passive transpor
Answer:
the difference is that permanent gases have larger residence times and Variable gases have shorter residence times
In both animals and plants, cells produce new cells by mitosis - but they split differently. A cleavage farrow forms in the animal cell and it splits. For the plant cell, a cell plate forms and then the cell splits.
A very steeply sloped seafloor
Answer:the Moon and the Sun are perpendicular to one another
Explanation:
