The lipid bilayer molecules do what for the cell ? a. cells recognize each other b. allow food molecules into the cell c. prevent the passage of certain molecules into the cell d. organize amino acids for protein synthesis

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.