Which of the following substances release two high energy electrons when light is shone on them. a) Carotenoids b) Chlorophyll A c) Antenna pigments d) Chlorophyll B
sketch a cell with three pairs of chromosomes undergoing meiosis, and show how nondisjunction can result in the production of gametes with extra or missing chromosomes.
Sometimes “uncoupling proteins” are present in the inner mitochondrial membrane. When present these provide an alternative pathway for protons to re-enter the matrix. They “uncouple” the ETC from ATP synthesis. What is the result of this “uncoupling”? Give an example of when this might be beneficial.