question What is the primary role of microorganisms in the sulfur cycle

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

A. Penicillium
B. Streptococcus pyogenes
C. Escherichia coli (E. coli)
D. Mycobacterium tuberculosis

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

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

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

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

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

A. Cellular uptake of substances
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

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

A. Cellular respiration
B. DNA replication
C. Protein synthesis
D. Cell division regulation

Which of the following is a viral disease in humans?

A. Influenza
B. Tuberculosis
C. Cholera
D. Malaria

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

A. Cellular support and transport
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

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

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

Which of the following is a viral vector used in genetic engineering?

A. Adenovirus
B. Streptococcus pyogenes
C. Escherichia coli (E. coli)
D. Saccharomyces cerevisiae (brewer's yeast)

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