Problem: Part A. What is meant by the term chromatin remodeling? Select the two correct answers. A. Chromatin remodeling includes altering chromatin structure by IncRNAs acting as scaffolds linking chromatin regulatory proteins. B. Chromatin remodeling includes altering chromatin structure by altering the extent of DNA super coiling. C. Chromatin remodeling includes altering chromatin structure by genomic imprinting. D. Chromatin remodeling includes altering chromatin structure by altering the positioning of nucleosomes with respect to specific DNA sequences. E. Chromatin remodeling includes altering chromatin structure by altering the composition of histones within nucleosomes. Part B. Describe the importance of this process to transcription. Select the four correct answers. A. These alterations can be used to repress transcription of a gene by opening its promoter sequences. B. These alterations can be used to repress transcription of a gene by hiding its promoter sequences. C. These alterations can be used to activate transcription of a gene by opening its enhancer sequences.D. These alterations can be used to activate transcription of a gene by hiding its enhancer sequences.E. These alterations can be used to repress transcription of a gene by hiding its enhancer sequences. F. These alterations can be used to repress transcription of a gene by opening its enhancer sequences. G. These alterations can be used to activate transcription of a gene by hiding its promoter sequences.H. These alterations can be used to activate transcription of a gene by opening its promoter sequences.

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Part A.

Chromatin Remodeling: dynamic modification of chromatin architecture to allow access of condensed genomic DNA

: regulates gene expression by exposing or hiding DNA to be transcribed

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Problem Details

Part A. What is meant by the term chromatin remodeling? Select the two correct answers. 

A. Chromatin remodeling includes altering chromatin structure by IncRNAs acting as scaffolds linking chromatin regulatory proteins. 

B. Chromatin remodeling includes altering chromatin structure by altering the extent of DNA super coiling. 

C. Chromatin remodeling includes altering chromatin structure by genomic imprinting. 

D. Chromatin remodeling includes altering chromatin structure by altering the positioning of nucleosomes with respect to specific DNA sequences. 

E. Chromatin remodeling includes altering chromatin structure by altering the composition of histones within nucleosomes. 


Part B. Describe the importance of this process to transcription. Select the four correct answers. 

A. These alterations can be used to repress transcription of a gene by opening its promoter sequences. 

B. These alterations can be used to repress transcription of a gene by hiding its promoter sequences. 

C. These alterations can be used to activate transcription of a gene by opening its enhancer sequences.

D. These alterations can be used to activate transcription of a gene by hiding its enhancer sequences.

E. These alterations can be used to repress transcription of a gene by hiding its enhancer sequences. 

F. These alterations can be used to repress transcription of a gene by opening its enhancer sequences. 

G. These alterations can be used to activate transcription of a gene by hiding its promoter sequences.

H. These alterations can be used to activate transcription of a gene by opening its promoter sequences.

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