Study guides, Class notes & Summaries

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 accurat...

Straighterline Microbiology Final Exam 2024 Questions With 100% Correct Answers The study of evolutionary relationships among organisms is called ______. - answerphylogeny The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______. - answerLast Universal Common Ancestor Organisms called parasites are ______. - answeralways harmful to their host Which of the following does not indicate microbe involvement in energy and nutrient flow? - answerThermal hot spr...

Straighterline Microbiology Final -CHO functional group and class of compounds - carbonyl (terminal end); aldehydes, polysaccharides -COC functional group and class of compounds - Carbonyl (internal); ketones; polysaccharides -COO functional group and class of compounds - Ester; lipids -COOH functional group and class of compounds - carboxyl; fatty acids, proteins, organic acids -NH2 functional group and class of compounds - amino; proteins, nucleic acid -OH functional group and clas...

Straighterline Microbiology Final -CHO functional group and class of compounds - carbonyl (terminal end); aldehydes, polysaccharides -COC functional group and class of compounds - Carbonyl (internal); ketones; polysaccharides -COO functional group and class of compounds - Ester; lipids -COOH functional group and class of compounds - carboxyl; fatty acids, proteins, organic acids -NH2 functional group and class of compounds - amino; proteins, nucleic acid -OH functional group and clas...

Straighterline Microbiology Final -CHO functional group and class of compounds - carbonyl (terminal end); aldehydes, polysaccharides -COC functional group and class of compounds - Carbonyl (internal); ketones; polysaccharides -COO functional group and class of compounds - Ester; lipids -COOH functional group and class of compounds - carboxyl; fatty acids, proteins, organic acids -NH2 functional group and class of compounds - amino; proteins, nucleic acid -OH functional group and clas...

Cell walls are not typically possessed by ______. - correct answersprotozoa The two major groups of helminths are the ______ and the ______. - correct answersroundworms; flatworms Which of the following is not true of conjugation? a. Involves direct contact between cells b. Transfers genes for drug resistance c. Transfers genes for enzymes and adherence molecules d. Involves the action of bacteriophage e. The donor retains a copy of the transferred genes - correct answersInvolves the ...

In the nitrogen cycle, which of the following steps involves removal of nitrogen from the atmosphere by bacteria? - correct answerNitrogen 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 answer10-8 M Fungi are able to reproduce asexually by creating conidiospores and sporangiospores. Which of the following is an accurate ex...

Which class of eukaryotic microorganisms can be subdivided into groups such as Mastigophora, Sarcodina, Ciliophora, and Apicomplexa? A. Helminths B. Algae C. Protozoa D. Fungi - correct answersProtozoa Genetic material can be excised from one chromosome and directly integrated into another via A. conjugation. B. transformation. C. transduction. D. transposons. - correct answerstransposons. Which immune cell secretes numerous cytokines that help to coordinate the re...

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 resistance c. Transfers genes for enzymes and adherence molecules d. Involves the action of bacteriophage e. The donor retains a copy of the transferred genes - Answer️️Involves the action of b...

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 temperatures _______ and low temperatures _______. - Answer️️kill cells, inhibit cell growth Microbe(s) that is/are the target(s) of pasteurization include - Both b & c - Answer️️ (Mycobacterium sp...

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? - Answer️️denitrification Farmers commonly inoculate legume crops with Rhizobium bacteria for which of the following purposes? - Answer️️the two form a symbiotic relationship increasing the plant's access to nitro...