The chemical bond that connects nitrogenous bases like adenine and thymine is hydrogen bond.
DNA is a double stranded molecule made up of monomers called nucleotides.
Each nucleotide subunit is composed of three major components:
The nitrogenous bases, which are four in number, are held together in the DNA molecule by hydrogen bonds. That is; Adenine and Thymine are held together by hydrogen bonds.
Therefore, the chemical bond that connects nitrogenous bases like adenine and thymine is hydrogen bond.
Learn more about hydrogen bonds at: https://brainly.com/question/10904296
