Which of the following statements is correct$?$
Adenine does not pair with thymine
Adenine pairs with thymine through two $H-$bonds
Adenine pairs with thymine through one $H-$bond
Adenine pairs with thymine through three $H-$bonds
Choose incorrect sentence.
Nucleosomes are
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
Unit of nucleic acid is
If the length of a $DNA$ molecule is $1.1$ metres, what will be the approximate number of base pairs?