In a dihybid cross, what does observing a ratio of 9:3:3:1 indicate?

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

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