a. (20 point) Explain the transcription steps in order. Which molecules take roles? (you can draw...

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Biology

a. (20 point) Explain the transcription steps in order. Whichmolecules take roles? (you can draw and explain)

b. (20 points) How a ribosome work for protein synthesis? (youcan draw and explain)

c. (20 points) What is the molecular mechanisms of Coronavirusentry into cell, explain.

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aProtein synthesis occurs in two stages Transcription andtranslation The process in which DNA information is copied on mRNAis known as transcription and the process by which the informationon the mRNA is transferred to the protein and the mRNA is read byribosomes for the synthesis of proteins is called translation Theflow of genetic information is shown belowTranscription is a process of formation of RNA ribonucleicacid which takes place in the nucleus and is catalyzed by theenzyme RNA polymerase It occurs unidirectionally in whichtranscript RNA is synthesized in direction The various steps involved in transcription areFormation of transcription unit Thetranscribed units are called a transcription unit It starts withthe transcription start site and terminates at the transcriptiontermination site At transcription start site first transcriptionfactors bind and then RNA polymerase binds to laid down the processof transcriptionInitiation DNA strands unwind and polymeraseinitiates See Answer

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