final exam microbiology 2024 with correct Question and Answers

final exam microbiology 2024 with correct Question and Answers Which class of eukaryotic microorganisms can be subdivided into groups such as Mastigophora, Sarcodina, Ciliophoran, and Apicomplexan? Protozoa Genetic material can be excised from one chromosome and directly integrated into another via... Transposons What immune cell secretes numerous cytokines that help to coordinate the response of other immune cells? TH cell What enzymes are used to amplify DNA during PCR? DNA polymerase Which of the following is a scientific name? Streptococcus pyogenes Eosin-methylene blue agar, or EMB, is a commonly used bacteriological medium for growing gram-negative bacteria from complex environments. It contains two dyes, eosin and methylene blue, as well as the sugar lactose. Eosin is a pH indicator that changes color when the medium is acidic, while methylene blue inhibits the growth of most gram-positive bacteria. If an organism consumes lactose, acid will be produced, causing the bacterial colonies to change color. Based upon this description, this medium is ______ Differential and selective A diagram of the three domains (Bacteria, Archaea, Eukarya) proceeding from the Last Universal Common Ancestor would show Archaea Branching off the Domain Eukarya. In the cell cytoplasm, molecules of ATP are a Solute The _____ of the microscope holds and allows selection of the objective lenses. Nosepiece Characteristics shared by all cells include The presence of cellular fluid, the possession of genetic information, and a membrane serving as a cell boundary. Anything that occupies space and mass is called... Matter Trees of life illustrate the phylogenetic relationships of all organisms were traditionally based on _____; newer methods for determining phylogeny rely on _____. Morphology; nucleic acid sequences Covalent bonds Result from sharing electrons One nucleotide contains one Phosphate, pentose sugar, nitrogen base Among the types of microorganisms, the ___. are noncellullar viruses Using microbes to detoxify a site contaminated with