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What is the first step of transcription in protein synthesis?
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15. Gene Expression
Steps of Transcription
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Transcription in eukaryotes requires which of the following molecules in addition to RNA polymerase?
A
Anticodons.
B
Ribosomes and tRNA.
C
Transcription factors.
D
Aminoacyl-tRNA synthetase.
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Understand the process of transcription in eukaryotes: Transcription is the synthesis of RNA from a DNA template, where the DNA sequence is transcribed into a complementary RNA sequence.
Identify the role of RNA polymerase: RNA polymerase is the enzyme responsible for synthesizing RNA by reading the DNA template strand and assembling the RNA nucleotides.
Recognize the need for transcription factors: In eukaryotes, transcription factors are essential proteins that help RNA polymerase bind to the promoter region of the DNA, initiating transcription.
Differentiate between transcription and translation: Transcription involves the creation of RNA from DNA, while translation involves the synthesis of proteins from RNA. Anticodons, ribosomes, tRNA, and aminoacyl-tRNA synthetase are involved in translation, not transcription.
Conclude that transcription factors are required for transcription in eukaryotes, as they facilitate the binding of RNA polymerase to the DNA and regulate the transcription process.
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