What type of protein is often used to carry other molecules

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

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic