A template strand of DNA reads 3' C T G A 5'. The RNA transcript of this strand would read

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To determine the RNA transcript, we must remember that RNA polymerase reads the DNA template strand in the 3' to 5' direction and synthesizes RNA in the 5' to 3' direction. The RNA is complementary to the template and replaces thymine (T) with uracil (U).

Option 1: 5' A G U C 3'. This would imply a sequence pairing with T opposite A, but the first nucleotide should pair with the 3' end of the template, which is C; C pairs with G in RNA, not with A. So this is not correct.

Option 2: 5' G A C U 3'. This sequence is complementary to the template 3' C T G A 5' when read in the proper orientation: C pairs with G, T with A, G with C, A with U. Therefore, this matches the expected RNA transcript.

Option 3: 5' C U G A 3'. This sequence would pair with the template in a manner inconsistent with the required 5' to 3' synthesis direction and would not be the correct complementary sequence to 3' C T G A 5'. Thus, incorrect.

Option 4: 5' U C A G 3'. This sequence does not align with the base-pairing rules for the given template; U would pair with A, not with the template end provided, making this option incorrect.

In summary, considering directionality and base-pairing rules (C→G, T→A, G→C, A→U) and the 5' to 3' synthesis of RNA, the correct transcript is 5' G A C U 3'.

BIOL 1009 (001-006/050-055) Midterm Exam III

A template strand of DNA reads 3' C T G A 5'. The RNA transcript of this strand would read

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BIOL 1009 (001-006/050-055) Midterm Exam III

A template strand of DNA reads 3' C T G A 5'. The RNA transcript of this strand would read

View Explanation

Log in for full answers

Similar Questions

What is the process of transcription?

Eukaryotic transcription is different than bacterial transcription because eukaryotic transcription ________.

The enzyme responsible for the synthesis of mRNA is

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Which of the following is not required for transcription?

Question at position 3 In eukaryotes, RNA polymerase binds to a _____________ called the ____________ region.sequence of DNA;transcriptsequence of DNA; promoterprotein; promoterNone of the above, eukaryotes do not use RNA polymeraseprotein: transcriptClear my selection

Which of the following is not involved in the process of transcription? Choose the best answer.

More Practical Tools for Students Powered by AI Study Helper

Making Your Study Simpler

Question at position 3 In eukaryotes, RNA polymerase binds to a _ called the region.sequence of DNA;transcriptsequence of DNA; promoterprotein; promoterNone of the above, eukaryotes do not use RNA polymeraseprotein: transcriptClear my selection