MCQ
Which is correct about nitrogen fixation by legumes. They fix nitrogen through
- ✓Specialised bacteria in their roots
- BSpecialised bacteria in their leaves
- CIndependent of bacteria that live in their roots
- DThe statement is wrong
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$I.$ Eco. $RI$ restriction endonuclease enzyme is isolated from Escherichia coli $RY13$
$II.$ Its recognition sequence is $5^{\prime}-$ $GAATTC - 3 '$
$3^{\prime}-C T T A A G-5^{\prime}$
$5^{\prime}-G-A-A-T-T-C-3^{\prime}$
$3^{\prime}-C-T-T-A-A-G-5^{\prime}$
$III.$ Its site of cleavage is