Microbiology Question!!! 1. which of the following regarding respiration, photot
ID: 165239 • Letter: M
Question
Microbiology Question!!!
1. which of the following regarding respiration, phototrophy, and lithotropy is mismatched?
A. anaerobic reduction of co2 and ch4: methanogenesis
B. combination of proteins, chlorophylls, and accesory pigments: antenna complex
C. the reduction of organic or inorganic molecules using H2: denitrification
D. oxidation of sulfur in the presence of iron: procudes sulfuric acid and corrodes iron
E. all are matched correctly
2. Which of the following is the best definition of generation time?
A. the length of time needed for lag phase
B. the length of time needed for a cell to divide
C. the lowest rate at which a population doubles
D. the duration of log phase
E. the time needed for nuclear division
Explanation / Answer
1.
a. Anaerobic reduction of CO2 produces CH4 by the process methanogenesis. correctly match
b. the combination of proteins, chlorophylls, and accessory pigments: antenna complex correctly matched. Antenna complex also called ad light-harvesting unit. all these pigments are present in the thylakoid of the chloroplast.
C. the reduction of organic or inorganic molecules using H2: denitrification wrongly matched. Denitrification is the process of reduction of nitrate ultimately into atmospheric nitrogen
D. oxidation of sulfur in the presence of iron: produces sulfuric acid and corrodes iron. matched.
2. generation time is the time between the two generations
Option B. the length of time needed for a cell to divide