CELLULAR RESPIRATION QUESTION 1989

CELLULAR RESPIRATION QUESTION 1989 - CELLULAR RESPIRATION...

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CELLULAR RESPIRATION QUESTION 1989: L. PETERSON/AP BIOLOGY Explain what occurs during the Krebs (citric acid) cycle and electron transportn by describing the following: a. The location of the Krebs cycle and electron transport chain in the mitochondria b. The cyclic nature of the reactions in the Krebs cycle c. The production of ATP and reduced coenzymes during the cycle d. The chemiosmotic production of ATP during electron tranpsort STANDARDS: 3 points Maximum for each of the four sections 1 point for any of the following: LOCATION ___Description of internal structure (compartmentalization) of mitochondrion - - Used in cellular respiration in animal cells - ___Krebs in matrix (inner or M compartment) ___Krebs' enzymes mostly dissolved in matrix ___ETS in cristae (inner membrane) ___ETS components are embedded in the inner membrane
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5 pts MAX 3 CYCLIC NATURE OF KREBS ___Acetyl CoA (C2) starts Krebs ___C2 joins with OAA (C4) to form citric acid (C6) ___2 CO2 removed during Krebs ___OAA is recycled or overall cycle concept (diagram OK) ___Position of Krebs in Aerobic Respiration (2 cycles/glucose, uses products
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