If the sequence of bases in the template strand of a DNA molecule is 3' ATCGCTCC 5', what is the sequence of bases in the RNA that is transcribed from this molecule?Multiple Choice5' AUCGCUCC 3'3' UAGCGAGG 5'3' TAGCGAGG 5'5' UAGCGAGG 3'5' TAGCGAGG 3'
Question
If the sequence of bases in the template strand of a DNA molecule is 3' ATCGCTCC 5', what is the sequence of bases in the RNA that is transcribed from this molecule?Multiple Choice5' AUCGCUCC 3'3' UAGCGAGG 5'3' TAGCGAGG 5'5' UAGCGAGG 3'5' TAGCGAGG 3'
Solution
The correct answer is 5' UAGCGAGG 3'.
Here's the step-by-step process:
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Transcription is the process where a segment of DNA is copied into RNA by the enzyme RNA polymerase.
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In this process, the RNA polymerase binds to the DNA template strand and synthesizes a complementary RNA strand.
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The RNA molecule is built in the 5' to 3' direction, which means it is synthesized from the 3' to 5' direction of the DNA template strand.
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The RNA bases pair with the DNA bases as follows: Adenine (A) pairs with Uracil (U), Thymine (T) pairs with Adenine (A), Cytosine (C) pairs with Guanine (G), and Guanine (G) pairs with Cytosine (C).
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So, if the DNA template strand is 3' ATCGCTCC 5', the RNA that is transcribed from this molecule will be 5' UAGCGAGG 3'.
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