In autotrophic bacteria, where are the enzymes located that can carry on carbon

Question

In autotrophic bacteria, where are the enzymes located that can carry on carbon fixation (reduction of carbon dioxide to carbohydrate)? A) in the cytosol B) in the infolded plasma membrane C) in the nucleoid D) in chloroplast membranes E) in chloroplast stroma Plants photosynthesize only in the light. Plants respire A) both in light and dark. B. only when exercise light energy induces photorespiration. D) in the light only. E) in the dark only During glycolysis, when each molecule of glucose is catabolized to two molecules of pyruvate, most of the potential energy contained in glucose is A) transferred to ADP, forming ATP. B) transferred directly to ATP. C) retained in the two pyruvates. D) stored in the NADH produced. E) used to phosphorylate fructose to form fructose 6-phosphate. Why is glycolysis considered to be one of the first metabolic pathways to have evolved? A) It does not involve organelles or specialized structures, does not require oxygen, and is present in most organisms. B) It produces much less ATP than does oxidative phosphorylation. C) It requires the presence of membrane-enclosed evil organelles found only in eukaryotic cells. D) If relies on chemiosmosis, which is a metabolic mechanism present only in the first cells' prokaryotic cells. E) It is found in prokaryotic cells but not in eukaryotic cells. Which of the following intermediary metabolites enters the citric acid cycle and is formed, in part by the removal of a carbon (CO_2) from one molecule of pyruvate? A) acetyl CoA B) oxaloacetate C) lactate D) citrate E) glyceraldehydes-3-phosphate

Explanation / Answer

11.E Chloroplast stroma

RuBiCO is the main enzyme that catalyses the carbon fixation in all autotrophic organisms. Tje calvin cycle occurs in stroma of chloroplast.

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