Instructions

We can burn sugar using fire OR “burn” sugar calories inside our cells. 12a. (2pts) What do we mean by the word “burning” in BOTH of these cases? ANSWER 12b. (2pts) Explain how these two types of burning sugar are different from each other. ANSWER 2la. (2pts) In two sentences, explain why electrons “flow” through the electron transport system. Why do electrons move from one molecule to the next without using energy? (Use your own words, not some sentences copied from the internet.) ANSWER 21b. (2pts) In two sentences, explain why the flow of electrons is required to make ATP. How is electron flow used to make ATP? (Use your own words, not some sentences copied from the internet.) ANSWER 25a. (3pts) What happens to the electron transport system if the cell is not given any food? (Your answer should only be about the ETS and explain step-by-step what happens.) 1. ANSWER 2. ANSWER 3. ANSWER 4. ANSWER 25b. (3pts) What happens to the electron transport system if the cell is not given any O2 gas? (Your answer should only be about the ETS and explain step-by-step what happens.) 1. ANSWER 2. ANSWER 3. ANSWER 4. ANSWER

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