BIO 250 Microbiology Quizzes | Questions and Answers| Update | 100% Correct - Straighterline.

BIO 250 Microbiology Quizzes | Questions and Answers| Update | 100% Correct - Straighterline. In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - CORRECT Answer Nitrogen Fixation If enough H+ ions are added to pure water to raise the H+ concentration of the solution to ten times higher than the original concentration, what is the resulting OH- concentration of the solution? - CORRECT Answer 10-8 M Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. Which of the following is an accurate explanation for why it is advantageous that they are also capable of sexual reproduction? - CORRECT Answer Offspring from two parents may have variations in form and function that contribute to survival of the species. In a laboratory bacterial cell culture that has been infected by a virus, plaques are areas in which... - CORRECT Answer the virus has spread and left behind the remains of dead cells. The sun's energy is delivered as discrete packets that travel as waves and are called - CORRECT Answer Photons What is a characteristic of aerobic respiration? - CORRECT Answer The process includes glycolysis, the Krebs cycle, and the electron transport chain. In completing protein synthesis in a prokaryote, what basic message is carried by a specialized codon that has no corresponding tRNA? - CORRECT Answer "Terminate here." Microbial drug resistance can be caused by mutations or by introduction of new genes into a population. Which of the following can only be caused by the introduction of new genes into a population? - CORRECT Answer new enzymes that inactivate the drug are synthesized Why do the hands, feet, and breasts have more lymphatic vessels for host defense than other areas of the human body? - CORRECT Answer They have a high risk for infection due to frequent contact. Penicillin functions as an antimicrobial agent by inhibiting bacterial... - CORRECT Answer cell wall synthesis. Which class of eukaryotic microorganisms can be subdivided into groups such as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa? - CORRECT Answer Protozoa Genetic material can be excised from one chromosome and directly integrated into another via... - CORRECT Answer transposons What immune cell secretes numerous cytokines that help to coordinate the response of other immune cells? - CORRECT Answer TH cell What enzymes are used to amplify DNA during PCR? - CORRECT Answer DNA polymerase