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}
uracil
Explanation:
because the rest are part of the DNA strand
Answer:
The community would be out of resources
Explanation:
the doubling of the rat would surely affect the resources of the community.
Answer:
He casually met the queen of England at a formal ceremony(A)