19. how do ctenophores move?

Explain why phospholipid molecules form a bilayer. (3 marks)

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan

Which of the following would you not find in a bacterial cell? dna cell membrane golgi apparatus ribosomes