Which of the following statements are not true regarding restriction endonucleases?
$A$. They are called molecular scissors.
$B$. These are the enzymes responsible for restricting the growth of bacteriophages in $E. coli$.
$C$. They cut the $DNA$ only at the centre of the palindromic sites.
$D$. They remove nucleotides only from the ends of $DNA$ fragments.
$E$. They recognise specific palindromic base-pair sequences.
Choose the answer from the options given below:

  • A
    $(1)$ $C$ and $D$ only
  • B
    $(2)$ $A$ and $E$ only
  • C
    $(3)$ $D$ and $E$ only
  • D
    $(4)$ $A$ and $B$ only

Explore More

Similar Questions

$A$ : During gel electrophoresis,the $DNA$ fragments move towards the anode.
$R$ : $DNA$ fragments are negatively charged molecules.

The given figure is the diagrammatic representation of the $E. coli$ vector $pBR322$. Which one of the given options correctly identifies its certain component$(s)$?

What is the function of the enzyme known as molecular scissors?

What does $R$ represent in $EcoR\, I$?

$A$ special sequence from where $DNA$ replication starts.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo