Which of the following accurately describes the nucleotide dependence of cilia a

Question

Which of the following accurately describes the nucleotide dependence of cilia and flagella structure and function? The structures of cilia and flagella are dependent on GTP, whereas the functions of cilia and flagella are dependent on ATP. The structure and function of cilia are dependent on ATP, whereas the structure and function of flagella are dependent on GTP. The structure and function of cilia and flagella are dependent on ATP. The structures of cilia and flagella are dependent on ATP, whereas the functions of cilia and flagella are dependent on GTP.

Explanation / Answer

Answer is A:The structure of cilia and flagella are dependent on GTP, whereas the functions of cilia and flagella are dependent on ATP.

This is because both cilia and flagella are composed of microtubles which are dependent on GTP for stability. Especially the GTP bound alpha dimer of microtubule which plays a major role in this regard. Both cilia and flagella have dyelin molecules which help in movement and this dyelin molecules move on top of the microtubules using ATP. For further understanding please refer to

https://www.ncbi.nlm.nih.gov/books/NBK21698/

https://www.ncbi.nlm.nih.gov/books/NBK9932/

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