does the adenine and guanine has a phosphate group attached to them
No, adenine and guanine do not have a phosphate group attached to them. Adenine and guanine are nitrogenous bases found in DNA and RNA molecules. The phosphate group is actually attached to the sugar molecule (deoxyribose in DNA and ribose in RNA), forming the backbone of the nucleic acid strand.
Yes, both adenine and guanine, which are nitrogenous bases found in DNA and RNA, have a phosphate group attached to them. The phosphate group is one of the three components that make up a nucleotide, the building blocks of DNA and RNA. The phosphate group is connected to the sugar molecule (deoxyribose in DNA and ribose in RNA) through a phosphodiester bond.
To confirm this, you can refer to a reliable source, such as a biochemistry textbook or an online resource specifically related to DNA and RNA structure. These sources will provide detailed information about the composition of nucleotides and the presence of phosphate groups in adenine and guanine.