The role of chromosomes in cell division is to ensure the DNA is accurately replicated.
Pretty sure it's B, because they are able to do photosynthesis and make their own energy
A RADIOLOGIST
IS THE ONE WHO DOES X-RAYS
GLUCOSE IS CONVERTED INTO CELLULOSE FOR MAKING CELL WALLS. GLUCOSE IS COMBINED WITH NITRATES (COLLECTED FROM THE SOIL) TO MAKE AMINO ACIDS, WHICH ARE THEN MADE INTO PROTEINS. GLUCOSE IS TURNED INTO LIPIDS FOR STORING IN SEEDS.