During transcription, the strand of DNA that base pairs with the new mRNA is called the:...

During transcription, the strand of DNA that base pairs with the new mRNA is called the:

a) Parental strand

b) Template strand

c) Nontemplate strand

d) Coding strand

Expert Solution

b) Template strand ( During transcription , the template strand of DNA base pairs with new mRNA , as the new mRNA is formed from it & possess complementary base pairing with respect to template DNA. The mRNA nucleotide sequences are complementary to the sequences present in template DNA)

Other wrong options Explaination :

*Parental strand simply defines the strand of DNA coming from the parent which is replicated to form new DNA in the process of replication. So , parental strand naming is significant during process of replication.

* Non- template strand : This strand has complemantary sequence with respect to template DNA . Naming as template & non template strand is done in transcription, where template DNA/antisense DNA/non coding DNA, forms the sense mRNA & non template/sense strand/coding strand of DNA can be used to form antisense mRNA.

* Coding strand : Coding strand is the non template/strand . Coding strand possess same sequence of mucleotides as that of fuctional mRNA , except uracil is present at the place of thymine in mRNA. Coding strand has same sequence as that of mRNA, in mRNA uracil ia present at the place of thymine

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gladiator answered 1 year ago

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