<u><em>Photosystem I</em></u> is found in the membrane facing the inside of the grana and <u><em>Photosystem II</em></u> is found in membrane facing the stroma
The answer is A: A Dense Ball Of Solid Metal. No One Can Get to there though. Hope that helps :)
~Spades15
C. During prophase I, SEGMENTS of chromatids are exchanged between homologous chromosomes.
The concentration of glucose outside the cell is higher than the concentration of glucose inside the cell, thus there is a concentration gradient. The molecules of glucose move randomly and there is a net movement from outside to the inside, down the concentration gradient.