Which proteins move the farthest during sds-polyacrylamide gel electrophoresis?

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols