46) A newly discovered organelle is found to produce or use up the following mol

Question

46) A newly discovered organelle is found to produce or use up the following molecules under experimental conditions: Based on this analysis, which metabolic process is taking place in this organelle? uce Use Up No Change 02 ADP + P, | ATP 3-carbon CO NADP NADPH A) Calvin cycle B) Light-dependent reactions of photosynthesis C) electron transport/oxidative phosphorylation D) glycolysis E) Krebs cycle 47) Why is oxygen necessary for acrobic respiration? 47) A) It is nceded for glycolysis B) It accepts electrons at the end of the electron transport chain C) It is directly involved in the phosphorylation of ADP to form ATP D) It is the final electron acceptor in the citric acid cycle E) None of the above. Oxygen is NOT necessary for acrobic respiration. 48) During the acrobic respiration pathway, which of the following best summarizes the sequence of pathway, which of the following best summarizes the sequence of electron 48) glucose >glycolysis->electron transport chain>NAD /NADH ATP B) glucose ? NAD+/NADH--> electron transport chain-oxygen C) glucose>Krebs cycle>ATP NAD NADH D) glucose -pyruvate ->ATP-oxygen E) glucose glycolysis> citric acid cycle > electron transport chain ATP 49) 49) True or False?: The chloroplast is the site of acrobic respiration in plants. A) True B) False 50) 50) The plant vascular tissue functions to transport molecules long distances within the body of the plant. The phloem transports the products of photosynthesis to non-photosynthesizing tissues, such as the roots. The xylem transports water and minerals absorbed by the roots to the rest of the plant Which of the following best describes how a plant cell gets the energy it needs for cellular processes? A) ATP is transported to cells that lack chloroplasts (roots, stems, etc.) B) Most ATP comes from digestion of organic matter absorbed by roots, some comes from chloroplasts. C) The chloroplasts provide all the ATP needed by the plant D) In the light, the ATP comes from the chloroplast, in the dark, from mitochondria. E) The sugars made by photosynthesis can be used by respiration to make ATP

Explanation / Answer

1a. The answer is calvin cycle , that is option a the reason , its calvin cycle because in calvin cycle carbon dioxide from the atmosphere is fixed into glucose by using ATP which is indicated in the table.

47. answer is B , Reason is oxygen acts as an electron acceptor at the end . so it is essential in aerobic respiration .

48. Answer is E , Reason is glucose is broken down into pyruvate in the process of glycolysis , which is further converted into acetyl co enzyme A and it enters the citric acid cycle , The NADPH and the FADH produced in the citric acid cycle will involve in ETC electron transport chain , which will result in ATP production.

49.False , Mitochondria is the seat for aerobic respiration.

50.E the sugars are used to make ATP.

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