Which of the following elements is an essential part of organic compounds in his cutest structure and function of any cell? Oxygen

Nitrogen

Hydrogen

Carbon

What is responsible for the uneven heating between the poles and the equator on any given day

Can a trait be both polygenic and have multiple alleles? explain why or why not.

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