MIC 205 Module 1 questions with correct answers

Microbiology CORRECT ANSWER A specialized area of biology that deals with living things ordinarily too small to be seen without magnification, including bacteria, archaea, fungi, protozoa, and viruses. (< 0.2mm = 200μm = 200,000nm) Microbes CORRECT ANSWER Microscopic organisms Helminths CORRECT ANSWER A parasitic invertebrate such as a worm First two types of single-celled organisms CORRECT ANSWER Bacteria and archaea Viruses CORRECT ANSWER Acellular microorganisms that cause human diseases 100 times smaller than bacteria Intracellular obligate parasites (need a host) Viroids CORRECT ANSWER Nucleic acids that infect plants "Eukary" CORRECT ANSWER "True nucleus" Describe the nucleus of bacteria and archaea CORRECT ANSWER They have no nuclei Akaryotes CORRECT ANSWER No nucleus