Answer:
Option b oxaloacetate is the right one.
Explanation:
There are major eight steps in TCA cycle. Oxaloacetate plays a pivotal role in <u>first and eight step</u>s of cycle.
Step 1. In the first step of the citric acid cycle, acetyl CoA joins with a four-carbon molecule, oxaloacetate, releasing the CoA group and forming a six-carbon molecule called citrate.
Step 8. In the last step of the citric acid cycle, oxaloacetate—the starting four-carbon compound-is regenerated by oxidation of malate. Another molecule of NAD+ is reduced to NADH in the process.
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Thin coat , becaus eit protects from temperature
Answer:
Control of cell transition from one phase of the cell cycle to another
Explanation:
Control of cell transition from one phase of the cell cycle to another is not the only role of cyclin in the cell.
The role of cyclin C and H in the processes of transcription regulation is shown.
Cyclin H, together with the transcription factor TFIIH, plays a role in the phosphorylation of the CTD-tail of RNA polymerase II during the transcription process.
Cyclin L participates in the processes of primary transcript processing.
