MCQ
What are the so-called 'sticky heads' made of?
- ✓From unpaired bases
- BWith sticky polysaccharide at the end of DNA strand
- CFrom methyl group
- DFrom unpaired RNA bases
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Statement $II :$ $'AAA'$ and $'AAG'$ both codons code for the amino acid lysine.
In the light of the above statements, choose the correct answer from the options given below.

$(1)$ Salt concentration in inland water - $30-35\%$
$(2)$ Salt concentration in the sea - $5\%$
$(3)$ Salt concentration in hypersalinelagoon - $>100\%$