Which of the following are not a part of a molecule of dna ? a) deoxyribose b) nitrogenous base c) phosphate d) ribose

An enzyme lowers the energy of activation. what does that mean?

Which of the following matches the organisms described with the correct domain? a. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycanb. archaea--multicellular, eukaryotic organisms that do not have cell wallsc. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sourcesd. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms