Cell membranes are made of phospholipids to keep the cell's water (cytoplasm) in and everything else out. so your answer would be D <span />
The answer are in the picture e
Answer:
The Moon is closer than the Sun to Earth.
Explanation:
Answer:
DNA tightly coils around proteins and condenses into chromosomes, which fit in the nucleus.
This is because they contain air: that feeling comes from the air sacs in your body being squashed by the pressure of the water. Fish living closer to the surface of the ocean may have a swim bladder – that's a large organ with air in it, which helps them float up or sink down in the water
