TEST BANK CHAP 5
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In Inglés
In Inglés
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TEST BANK CHAP 5 - Marcador
TEST BANK CHAP 5 - Detalles
Niveles:
Preguntas:
74 preguntas
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The process by which two cells arise from one is known as A) conjugation. B) binary fission. C) meiosis. D) mitosis. | B) binary fission. |
The time interval required for the formation of two cells from one is called the A) generation time. B) growth time. C) growth rate. D) division rate. | A) generation time. |
Enumerating cells in a biofilm is especially challenging for A) microscopic direct counting. B) measuring turbidity. C) viability counts with spread plating. D) microscopic direct county, measuring turbidity, and viability counts with spread plating. | D) microscopic direct county, measuring turbidity, and viability counts with spread plating. |
The number of colonies obtained in a plate count does NOT depend on the A) inoculum volume. B) size of the colonies. C) type of culture medium. D) incubation time. | B) size of the colonies. |
A microbe growing in a refrigerator is likely A) psychrophilic. B) mesophilic. C) psychrotolerant or psychrophilic. D) hyperthermophilic. | C) psychrotolerant or psychrophilic. |
Which of the following forms of oxygen is/are generally toxic to living organisms? A) superoxide anion B) hydrogen peroxide C) hydroxyl radical D) superoxide, hydrogen peroxide, and hydroxyl radicals are all toxic | D) superoxide, hydrogen peroxide, and hydroxyl radicals are all toxic |
What is the function of bactoprenol? A) It is a hydrophobic alcohol that transports peptidoglycan precursors across the cytoplasmic membrane. B) It is responsible for forming the peptide cross-links between muramic acid residues in adjacent glycan chains. C) It triggers the recruitment of FtsZ and the initiation of the divisome. D) It supplies the energy necessary for transpeptidation to occur. | A) It is a hydrophobic alcohol that transports peptidoglycan precursors across the cytoplasmic membrane. |
The activity of MinC and MinD direct whether a bacterial cell will be coccoid or bacillus shaped | FALSE |
The optimum temperature is usually closer to the minimum temperature than the maximum temperature. | FALSE |