Severe acute respiratory syndrome (SARS) is an illness caused by a coronavirus. Symptoms including high fever, headaches, and body aches typically occur 24 – 72 hours after infection by the virus. SARS is more serious in elderly patients. This information suggests that the reproductive cycle of the SARS virus is —

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

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