How does random fertilization add to genetic variation?

What does it mean for a cell membrane to be selectively permable

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

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.