The mass of a gold bar changes based on its location because of gravitational pull. true or false?

Nucleic acids offer variability because they contain alternate forms of genes called .

What type of graph presents information about how often certain or traits occur?

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