Dna nucleotide is composed of a a dna nucleotide is composed of a deoxyribose sugar, which is attached to a phosphate group, which is bonded to a nitrogenous base ribose sugar, which is bonded to both a phosphate group and a nitrogenous base ribose sugar, which is attached to a phosphate group, which is bonded to a nitrogenous base deoxyribose sugar, which is bonded to a phosphate group and a nitrogenous base

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.

it provides an alternative energy pathway for the reaction to proceed.

a catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

catalysts increase the rate of reaction without being used up. they do this by lowering the activation energy needed. with a catalyst, more collisions result in a reaction, so the rate of reaction increases. different reactions need different catalysts.

a catalyst works by providing an alternative reaction pathway to the reaction product. the rate of the reaction is increased as this alternative route has a lower activation energy than the reaction route not mediated by the catalyst.