Prokaryotic cells do not have membrane bound organelles. Eukaryotic cells do have membrane bound organelles. The membrane controls movement in and out of the cell. ... The cytoplasm fills the space between the nucleus and the cell membrane.
Coastal areas experience two high and two low tides every 24 hours and 50 minutes because the earth rotates through two tidal bulges every day. High tides occur 12 hours and 25 minutes apart.