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Sagot :
Answer:
1. Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination. 2. DNA polymerase 3. Before mRNA leaves the nucleus of a eukaryotic cell, a cap is added to one end of the molecule, a poly A tail is added to the other end, introns are removed, and exons are spliced together. Sequence of nucleotides in messenger RNA is translated into a sequence of amino acids. 4. In RNA splicing, specific parts of the pre-mRNA, called introns are recognized and removed by a protein-and-RNA complex called the spliceosome.
Explanation:
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- Transcription starts off evolving while RNA polymerase binds to a promoter series close to the start of a gene (without delay or via helper proteins). RNA polymerase makes use of one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule. Transcription leads to a process known as termination.
- DNA polymerase enzyme copies the DNA.
- Before mRNA leaves the nucleus of a eukaryotic molecular, a cap is introduced to at least one quit of the molecule, a poly-A tail is introduced to the opposite quit, introns are eliminated, and exons have spliced together Sequence of nucleotides in messenger RNA is translated into a series of amino acids.
- In RNA splicing, unique elements of the pre-mRNA, known as introns are identified and eliminated via way of means of a protein-and-RNA complicated known as the spliceosome.
What is DNA Transcription?
Transcription is the technique of creating an RNA replica of a gene series. This replica, known as a messenger RNA (mRNA) molecule, leaves the molecular nucleus and enters the cytoplasm, wherein it directs the synthesis of the protein, which it encodes.
Thus it is clear that all answers are well explained.
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https://brainly.com/question/21265857
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