question Which microorganism is used in the production of antibiotics such as streptokinase

Microbiology

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

A. Streptococcus spp.
B. Bacillus anthracis
C. Pseudomonas aeruginosa
D. Escherichia coli (E. coli)

Streptococcus spp. is involved in the production of antibiotics like streptokinase.

What is the primary function of the pilus in bacterial cells?

A. Facilitates bacterial conjugation
B. Nutrient absorption
C. Cellular respiration
D. Synthesis of enzymes

What is the primary function of the ribosome in microbial cells?

A. Protein synthesis
B. Lipid synthesis
C. DNA replication
D. Cell wall formation

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

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

Which microorganism is responsible for the production of butyric acid?

A. Clostridium butyricum
B. Bacillus subtilis
C. Streptococcus pneumoniae
D. Candida albicans

What is the primary function of the capsule in bacterial cells?

A. Protection from immune defenses
B. Nutrient absorption
C. Facilitates cell division
D. Enhances cellular respiration

Which microorganism is used in the production of vinegar?

A. Acetobacter
B. Lactobacillus
C. Clostridium acetobutylicum
D. Escherichia coli (E. coli)

What is the primary function of the Gram-positive bacterial cell wall?

A. Provides structural support
B. Facilitates nutrient absorption
C. Enables motility
D. Protects against phagocytosis

Which microorganism is responsible for the production of citric acid in the tricarboxylic acid (TCA) cycle?

A. Citrobacter freundii
B. Saccharomyces cerevisiae (brewer's yeast)
C. Aspergillus niger
D. Escherichia coli (E. coli)

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