One mRNA strand is made.
Since DNA contains many genes, and mRNA is just one gene, it only uncoils in that specific part where that gene is located. The transcription then can begin and mRNA is made.
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Unzip ALL of the DNA!
DNA replication or the translation/transcription process begins when a Helicase moves down a DNA strand and unzips it to allow for replication.
DNA helicase. This is the enzyme that "unzips" DNA.
DNA recieves a chemical signal from mRNA to unzip in whatever area is needed. Once it unzips it is copied by mRNA, since DNA is too big to leave the nucleus mRNA does. It goes and attaches to the ribosome where the DNA copy is read 3 letters at a time by tRNA which is a codon. For every codon an aminio acid is formed. They stick together to form a protein. This is called protein synthesis.
Enzymes
Helicase enzymes
The mRNA comes into the DNA when the DNA unzips. Then the mRNA attaches to one side of the DNA, copies it down, and leaves. Remember, AT CG
DNA polymerase is the enzyme that "unzips" the complementary DNA strands allowing mRNA to transcribe, or copy, a section of DNA.
DNA splits, and mRNA and tRNA are there to create new strands for the new replicated DNA strand. This is what happens prior to mitosis in cell division.
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Reverse transcriptase use mRNA to form DNA. mRNA
The enzyme Helicase unzips the DNA double helix
DNA replication or the translation/transcription process begins when a Helicase moves down a DNA strand and unzips it to allow for replication.
DNA helicase. This is the enzyme that "unzips" DNA.
In the process of transcription, DNA is used as a blueprint to make m-RNA which codes for a specific protein.
mRNA (messenger RNA) carries the instructions for protein synthesis from the DNA to the ribosomes.
The mRNA carries the genetic code needed to make a protein to the ribosome from DNA via microtubules.
Transcription (from DNA to mRNA) and Translation (ffrom mRNA to proteins).