Complete glucose breakdown requires the presence of oxygen to keep the working so that ATP is produced. When oxygen is absent, an anaerobic process called fermentation occurs instead, producing fewer ATP molecules overall. During this process, glycolysis proceeds as normal with glucose splitting into 2 molecules, which are then phosphorylated into 2 molecules, and finally converted into 2 molecules. However, at this point, the 2 molecules are , freeing NAD⁺ to return to the glycolytic pathway. The results of are ATP molecules and 2 molecules in animals and bacteria or 2 molecules in plants and yeast. Because these molecules enter the citric acid cycle or the electron transport chain, the net gain for fermentation is ATP molecules, compared to ATP molecules in cellular respiration.

d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of   wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports   the evolution of earth due to chemical weathering.

hope it !

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