Starch is stored in plants and is present in Amylose and Amylopectin while glycogen is found in animals and is stored in the liver. Glycogen is an extensively branched chain of glucose molecule.
I would say A
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The Krebs cycle is a cycle that is after glycolysis which allows the cell to get more ATP and have more ATP efficiency than that of glycolysis itself or <span>fermentation and glycolysis. Infact, it makes the ATP effeciency about 20 times. </span>
Raw materials (reactants) used for photosynthesis are Carbon Dioxide and Water. These are the same substances which are the product of respiration.