MCQ on Helix-Turn-Helix (HTH) Domain




The helix-turn-helix (HTH) domain is a DNA-binding motif in proteins, typically found in transcription factors. It consists of two alpha helices connected by a short turn. The HTH domain facilitates specific binding to DNA sequences, regulating gene expression in various cellular processes. This is an MCQ on Helix-Turn-Helix (HTH) Domain structure and functions.

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1. 
The Helix-Turn-Helix (HTH) domain is a structural motif commonly found in:

2. 
HTH domains are characterized by the presence of:

3. 
The primary function of HTH domains is to:

4. 
The HTH domain often makes specific contacts with DNA by interacting with:

5. 
Which of the following statements about HTH domains is correct?

6. 
The dimerization of HTH domains is important for:

7. 
Which of the following transcription factors contains HTH domains and plays a key role in the regulation of gene expression?

8. 
The specificity of HTH domain interactions with DNA sequences is primarily determined by:

9. 
In HTH domains, the turn or loop between the helices is responsible for:

10. 
In HTH domains, the specific amino acids involved in recognizing and binding DNA sequences are primarily located in:

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MCQ on Helix-Turn-Helix (HTH) Domain






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