Straighterline Microbiology EXAMS BUNDLE ~ Questions with 100% Correct Answers/Already Grade A+

In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - Answer️️Nitrogen 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 th...

C. Protozoa are a diverse group of organisms that often prove difficult to classify into a taxonomy. - Answer️️Which class of eukaryotic microorganisms can be subdivided into groups such as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa? A. Helminths B. Algae C. Protozoa D. Fungi D....

An organism with a temperature growth range of 45°C to 60°C would be called a(n) ______. a. extremophile b. thermophile c. psychrophile d. facultative psychrophile e. thermoduric microbe - Answer️️b. thermophile An organism that cannot tolerate an oxygen environment is a(n) ______. a. a...

Koch - Answer️️Who developed a set of criteria that could be used to establish a causative link between a particular microorganism and a particular disease? Jenner - Answer️️Who is credited with developing and documenting the first vaccination procedure against smallpox? Tyndall - Answer...

What microbial process was responsible for changing earths atmosphere from one without oxygen to one with oxygen? - Answer️️oxygenic photosynthesis in the nitrogen cycle, which of the following phases involves the release of nitrogen as N2 into the earths atmosphere? - Answer️️denitrifica...

Microbial control methods that kill/destroy __________ are able to sterilize. - Answer️️endospores Sanitization is a process by which - Answer️️the microbial load on objects is reduced. An example of an agent that lowers the surface tension of cells is - Answer️️alcohol High temperat...

Cell walls are not typically possessed by ______. - Answer️️protozoa The two major groups of helminths are the ______ and the ______. - Answer️️roundworms; flatworms Which of the following is not true of conjugation? a. Involves direct contact between cells b. Transfers genes for drug r...