The DNA molecule consists of three parts *nitrogenous base *deoxyribose sugar and *phosphate group.
The nitrogenous bases are nothing but cyclic carbon molecules that may or may not contain nitrogen groups attached to it. They are divided into two types :purines and pyrimidines.the purine consists of the adenine and guanine bases whereas the pyrimidines consists … Read more
The plant cell consists of a cell wall , nucleus, nuclear membrane, nucleolus, chromosomes, chloroplasts, golgi complex, mitochondria, ribosomes, plastids ,vacoules.
I watched "beakman's show" - it was a series that explained about science and mini experiments