The process by which cells become specialized is called _____. A. differentiation B. alternative RNA splicing C. divergence D. signal transduction E. nuclear transplantation

A. differentiation More test answers on https://studyhippo.com/biology-chapter-9-11-13/

Alternative RNA splicing has revealed inaccuracies in the one gene – one polypeptide hypothesis. Why?

Transcription of the same gene can lead to the production of different mRNAs. More test answers on https://studyhippo.com/chapter-11-bio-quiz/

Alternative RNA splicing has revealed inaccuracies in the one gene:one polypeptide hypothesis. Why?

Transcription of the same gene can lead to the production of different mRNAs and therefore different proteins. More test answers on https://studyhippo.com/chapter-11-8-masterbiology/

Alternative RNA splicing allows for:

Different mRNA molecules are produced from the same primary transcript More test answers on https://studyhippo.com/bio-1404-ch-15-16-17-18/

Part C – Alternative RNA splicing

ACGI ACEI ACEGI More test answers on https://studyhippo.com/chapter-18-mastering-biology-2-41864/

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Alternative Rna Splicing Flashcards, test questions and answers

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What is Alternative Rna Splicing?

Alternative RNA splicing is a process in which cells produce multiple proteins from the same gene. It occurs when the cellular machinery cuts out introns (non-coding regions) of the pre-mRNA and reassembles the exons (coding regions) in different combinations, allowing for a single gene to code for multiple proteins. This gives cells greater control over gene expression, allowing them to respond more quickly and effectively to environmental changes.Alternative RNA splicing is an important part of gene regulation and can be used to turn genes on or off in response to environmental cues. For example, when a cell needs more protein than usual, it can produce additional copies of a particular protein by using alternative RNA splicing. In this way, cells can respond quickly and efficiently to changing conditions without having to create new genes from scratch. Similarly, alternative RNA splicing can also be used to silence genes that are no longer needed. Alternative RNA splicing plays an important role in development as well as disease processes such as cancer. During development, different combinations of exons are used at different stages of growth so that cells can differentiate into distinct types with specialized functions. In cancerous cells, alternative RNA splicing often leads to changes in cell behavior that allow tumor cells (or their precursors) to evade detection by the immune system or resist chemotherapy drugs. Overall, alternative RNA splicing is an important process that allows cells great flexibility when responding to environmental cues or changes within themselves something that is essential for life on Earth.