Identify the DNA segment which is not a palin | vedclass

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(A) palindromic $DNA$ sequence is a sequence of base pairs that reads the same when the orientation of reading is the same,i.e.,$5'$ to $3'$ on both s

Vedclass · Accepted Answer

$5$' $GGATCC$ $3$' $3$' $GGTACC$ $5$'

Vedclass · Answer

(A) palindromic $DNA$ sequence is a sequence of base pairs that reads the same when the orientation of reading is the same,i.e.,$5'$ to $3'$ on both strands.Let's analyze the options:$A$: $5'-GGATCC-3'$ and $3'-GGTACC-5'$. The complementary strand of $5'-GGATCC-3'$ is $3'-CCTAGG-5'$. Since $3'-GGTACC-5'$ does not match $3'-CCTAGG-5'$,this is not a palindrome.$B$: $5'-GAATTC-3'$ and $3'-CTTAAG-5'$. This is a palindrome (EcoRI site).$C$: $5'-GCGGCCGC-3'$ and $3'-CGCCGGCG-5'$. This is a palindrome (NotI site).$D$: $5'-CCCGGG-3'$ and $3'-GGGCCC-5'$. This is a palindrome (SmaI site).Therefore,option $A$ is the correct answer.

$(a)$ Restriction endonuclease	$(i)$ Joins the $DNA$ fragments
$(b)$ Restriction exonuclease	$(ii)$ Extends primers on genomic $DNA$ template
$(c)$ $DNA$ ligase	$(iii)$ Cuts $DNA$ at specific positions
$(d)$ $Taq$ polymerase	$(iv)$ Removes nucleotides from the ends of $DNA$

Identify the $DNA$ segment which is not a palindromic sequence.

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