Bacteroid has a thick cell wall which is absent in a bacterial cell(its outer structure is made up of a cytoplasmic membrane).
It doesn't stay up there for long and there are several different ways that it can get up there. hope this helps:)
Sugar in RNA is called Ribose similar to the sugar in DNA which is Deoxyribose
20.4 21.3 are the correct answers
The answer is letter B has commercial uses such as Alcohol production and bread making.
