The endomembrane system and ribosomes work together to perform what function a. take proteins out of the cell b. to make food c. provide a protection of covering d. obtain energy for the cell

What do heterotrophic cells need to survive?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots