question Which microorganism is responsible for the production of citric acid in the citric acid cycle Krebs cycle

Which microorganism is responsible for the production of antibiotics such as neomycin?

A. Streptomyces fradiae
B. Bacillus anthracis
C. Pseudomonas aeruginosa
D. Escherichia coli (E. coli)

Which process involves the conversion of nitrate to nitrogen gas in the nitrogen cycle?

A. Denitrification
B. Nitrogen fixation
C. Nitrification
D. Ammonification

What is the primary function of the cytoplasmic membrane in bacterial cells?

A. Selective permeability
B. Nutrient absorption
C. Protection from desiccation
D. Synthesis of cellular ATP

Which microorganism is used in the production of antibiotics such as erythromycin?

A. Saccharopolyspora erythraea
B. Bacillus anthracis
C. Pseudomonas aeruginosa
D. Escherichia coli (E. coli)

Which process involves the conversion of nitrite to nitrogen gas in the nitrogen cycle?

A. Denitrification
B. Nitrogen fixation
C. Nitrification
D. Ammonification

Which process involves the conversion of atmospheric nitrogen into ammonia?

A. Nitrogen fixation
B. Nitrification
C. Denitrification
D. Ammonification

What is the primary role of bacteriophages in microbiology?

A. Viruses that infect bacteria
B. Bacteria that infect viruses
C. Fungi that infect bacteria
D. Protozoa that infect bacteria

What is the primary function of the microfilaments in eukaryotic microbial cells?

A. Cellular structure and movement
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

What is the primary role of the glycocalyx in bacterial cells?

A. Protection and adherence
B. Nutrient absorption
C. Facilitates cellular respiration
D. Synthesis of cellular ATP

What is the function of the Gram stain in microbiology?

A. Distinguishing bacterial cell walls
B. Identifying viral infections
C. Staining fungal hyphae
D. Differentiating plant cells