____ is a typical photolithoautotroph.
A: Sulfur oxidizing bacteria
B: Iron oxidizing bacteria
C: Cyanobacteria
D: Purple non-sulfur bacteria
A: Sulfur oxidizing bacteria
B: Iron oxidizing bacteria
C: Cyanobacteria
D: Purple non-sulfur bacteria
C
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举一反三
- ”革兰氏阳性菌” A: Gram-positive bacteria B: Gram-negative bacteria C: Gram-negative virus
- The main purpose of semi-solid medium is (). A: Check the motility of bacteria B: Check the ability of bacteria to metabolize glucose to produce acid and gas C: Check the ability of bacteria to metabolize tryptophan to produce indole D: None of the above
- Gram-positive bacteria can be differentiated from Gram-negative bacteria since the peptidoglycan layer comprises 10% of the cell wall
- Which is the most common bacteria in aspiration pneumonia? () A: staphylococcus B: anaerobic bacteria C: streptococcus pneumonia D: pseudomonas aeruginosa E: fungus
- 3-2。What factors do affect the amount of the bacteria grows in packaged food？（ ） A: The type of the packaged food B: Temperature and time C: The structure of bacteria
内容
- 0
Exactly which bacteria cause the ______ is still unknown.
- 1
The number of phyla of Gram-positive and Gram-negative bacteria are similar.
- 2
Which of the following bacteria help with human digestion?
- 3
The skin is susceptible to physical injury and to ____by bacteria, virus,etc.
- 4
A DNA library is[u] [/u] A: An international storehouse of all DNA data that has been collected to date B: All the plasmids in a bacteria C: All the genes in a bacteria D: A collection of cloned DNA pieces