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Transcription Initiation Process Overview

10 Questions

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Transcription Initiation Process Overview

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Questions and Answers

What is one of the functions of lncRNAs mentioned in the text?

Forming triplex structures with single-stranded DNA

Binding small ligands

Undergoing translation into proteins

Interacting with miRNA in RISC complexes (correct)

Why are lncRNAs considered as potential therapeutic targets according to the text?

For their involvement in DNA replication

Due to their role in protein synthesis

Because they regulate gene expression (correct)

Based on their function in cell metabolism

What does Xist (X inactive specific transcript) primarily contribute to in mammalian female cells?

Protein translation

DNA replication

Cell division

Regulation of X-chromosome inactivation (correct)

What is the connection between lncRNAs and enhancer regions mentioned in the text?

lncRNAs help connect trans factors bound to enhancer regions to cis sites Signup and view all the answers

Why were Paul Kammerer's findings on environmentally induced heritable characteristics revisited by researchers?

To prove the existence of epigenetic inheritance Signup and view all the answers

Which process might lead to lncRNA being further processed into small RNA fragments?

RNAseP cleavage at the lncRNA 3' ends Signup and view all the answers

What was one of the observations made by Paul Kammerer that potentially hinted at epigenetic inheritance?

Heritable foot-pad changes in toads Signup and view all the answers

In what way do lncRNAs contribute to disease states based on the text?

Being potential therapeutic targets Signup and view all the answers

'X inactive specific transcript' (Xist) is a crucial lncRNA involved in which process according to the text?

X-chromosome inactivation in mammalian females Signup and view all the answers

What did Paul Kammerer's observations about environmental exposure suggest about heredity?

Animals can develop new characteristics influenced by environment Signup and view all the answers