Cells must move materials through the {membrane} and throughout the {cytoplasm} to maintain {homeostasis} Movement of substances is regulated because membranes are {semi} permeable. Membranes are {phospholipid} bilayers that contain embedded {proteins} The cells external environment and cytoplasm are aqueous, meaning that solutes such as {salt}are dissolved in a solvent called {water} Water may travel slowly through the membrane by {osmosis} or quickly through protein channels called {aquaporins}
Bc they knew that water was on the Earth and that it likely seeped into the earth bc of the water cycle
I'm pretty sure that this is the correct answer "The enzymes in the second test tube must have denatured at 1000C, since most enzymes degrade at such high temperatures." that is if you're using Plato, in which case this would be one of your answer choices.
Elephants and rhinos tolerate the small birds the ride their backs and eat insects on their skin. The relationship between the elephants and the birds is called ________.<span>commensalism.</span>
