Which step of cellular respiration will not take place in the absence of oxygen? electron transport photosynthesis glycolysis Krebs Cycle
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krebs cycle will not take place
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The step of cellular respiration will not take place in the absence of oxygen is Krebs cycle-
Explanation:
Cellular respiration can occur both aerobically (presence of oxygen), or anaerobically (absence of oxygen). Anaerobic respiration is a normal part of cellular respiration.
Glycolysis, which is the first step in all types of cellular respiration is anaerobic and does not require oxygen. If oxygen is present, the pathway will continue on to the Krebs cycle and oxidative phosphorylation. However, if oxygen is not present, some organisms can undergo fermentation to continually produce ATP.
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