If your baby is very young the cold may linger for up to two weeks. Your baby will have from between six to 10 colds by the time he is two years old. And each cold is just as hard on you and your baby as the first one.If your baby is under three months old when he gets his cold you should contact your doctor.
A nucleoside consists of a nitrogenous base covalently attached to a sugar (ribose or deoxyribose) but without the phosphate group. A nucleotide consists of a nitrogenous base, a sugar (ribose or deoxyribose) and one to three phosphate groups.Nucleoside = Sugar + Base. Nucleotide = Sugar + Base + Phosphate.ugar + Base. A nucleoside consists of a nitrogenous base covalently attached to a sugar (ribose or deoxyribose) but without the phosphate group. When phosphate group of nucleotide is removed by hydrolysis, the structure remaining is nucleoside. Sugar + Base + Phosphate.
Nucleotides are the subunits that are linked to form nucleic acids. All nucleotides are composed of three parts namely a sugar, a phosphate and a nitrogenous base. It is the phosphate group that allows nucleotides to link to each other to form a continuous strand. In DNA, the nucleotides of one strand join to bases on the complementary strand by weak hydrogen bonds. For each strand, the phosphate of one nucleotide is linked to carbon 3 of the sugar in the next nucleotide by an ester bond, and in this way a DNA polymer is made. The repeating pattern of phosphate , sugar and phosphate again forms the back bone of the DNA molecule.