Identify the correct palindromic nucleotide sequence
5' - AGTTAA - 3'
3' - TCAATT - 5'
Understanding Palindromic Nucleotide Sequences
A palindromic nucleotide sequence in DNA is a sequence that reads the same forwards on one strand as it does backwards on the complementary strand. This means the sequence read 5' to 3' on one strand is identical to the sequence read 3' to 5' on the opposite strand. Alternatively, it means the sequence read 5' to 3' is the same as its own reverse complement.
Identifying Palindromic DNA Sequences
To identify a palindromic sequence, we examine the relationship between a DNA strand and its complement. The key is that the sequence read in one direction on one strand matches the sequence read in the opposite direction on the complementary strand. This involves checking base pairing (A with T, G with C) and the reverse orientation of the complementary strand.
Correct Palindromic Sequence Determination
Based on the definition, a palindromic sequence exhibits a specific type of symmetry across the two DNA strands.
The correct palindromic nucleotide sequence from the given options is:
Option 1:
5' - AGTTAA - 3'
3' - TCAATT - 5'
This sequence structure exemplifies a palindromic nucleotide arrangement.
Important Questions from Biotechnology
Which one of the following statements isnotcorrect with regard to genetically modified organisms?
Given below are two statements :
Statement I:
Restriction endonucleases are enzymes naturally found in bacteria, where they protect the host cell by degrading foreign DNA.
Statement II:
All restriction endonucleases cut both strands of the DNA molecule at the exact same position, producing 'blunt ends'.
In the light of the above statements, choose the most appropriate answer from the options given below:
Complementary ds RNA which prevents translation is formed in ________.
Which of the following is NOT an application of PCR?
'Golden rice' variety of rice shows:
