MCQ on GTP Structure and Functions




Guanosine Triphosphate (GTP) is a nucleotide involved in cellular energy transfer and signal transduction. Similar to ATP, it serves as a high-energy molecule, contributing to various biochemical processes, including protein synthesis and G-protein signaling, crucial for cell function and regulation. This is an MCQ on GTP Structure and Functions.

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1. 
What is the full name of the molecule abbreviated as "GTP"?

2. 
GTP is a molecule closely related to ATP. What is the primary function of GTP in cells?

3. 
GTP is often used as an energy source for which cellular processes?

4. 
GTP is used in the formation of the 5' cap structure on eukaryotic mRNA molecules. What is the purpose of this cap structure?

5. 
In signal transduction pathways, GTP is often involved in activating or deactivating specific cellular proteins. What type of proteins are commonly regulated by GTP in these pathways?

6. 
The hydrolysis of GTP to form GDP (Guanosine Diphosphate) and inorganic phosphate (Pi) is an essential step in G-protein signaling. What occurs when GTP is hydrolyzed?

7. 
Which of the following is NOT true regarding GTP and its relationship with GDP?

8. 
In G-protein signaling, what is the role of the guanine nucleotide exchange factor (GEF)?

9. 
Which of the following is a function of GTP in cellular processes?

10. 
In G-protein signaling, what occurs when GTP is bound to the G-protein?

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MCQ on GTP Structure and Functions

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