Metabolism: all chemical reactions within a cell
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Answer:
The correct answer is - B. they build up soil deposits on the rocky ground.
Explanation:
Lichens and mosses are known as the pioneer species as they prepare the particular region for the next stages of succession on the bare volcanic region. Lichens and mosses grow on the bare rocks and secrete acids to break the rocks and start soil production.
The soil deposits produced by breaking the volcanic rocks by secreting acids from mosses and lichens. Even after dying these species leads to thickening of the soil and increase organic matter for the next stages to grow.
The answer for this question would be choice D) An erosional surface representing a gap of time in the geological record or the fourth option.
Are the carbons in glucose ultimately used to make additional Krebs cycle intermediates
- The answer to the statement above is No, carbon loses 2 molecules of CO2 as the Krebs cycle moves up.
In the citric acid cycle, there are two carbons that belongs to the acetyl group of acetyl CoA. These two carbon are the released as carbon dioxide, one of main end products of cellular respiration via numbers of enzymatic reactions.
Conclusively, we can say that Co2 has 2 molecules shed off as Krebs cycle increases.
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