Non-covalent hydrogen bonds between the pairs are shown as dashed lines.The two types of base pairs form different numbers of hydrogen bonds, AT forming two hydrogen bonds, and GC forming three hydrogen bonds (see figures, left).DNA with high GC-content is more stable than DNA with low GC-content.. 
Brasil  (, ), Loníbiṣẹ́ bíi Orílẹ̀-Èdè Olómìnira Bani Ilẹ̀ Brasil (fèdè Republic of Brazil (, ), ní Orílẹ̀-Èdè tótóbitó ní Guusi Amẹ́ríkà àti ní agbègbè Amẹ́ríkà Látìnì.. 