question Which process involves the conversion of atmospheric nitrogen into ammonia

What is the primary function of the endoplasmic reticulum in eukaryotic microbial cells?

A. Synthesis of proteins and lipids
B. ATP synthesis
C. DNA replication
D. Cell wall formation

What is the primary function of the CRISPR-Cas system in microbiology?

A. Defense against viral infections
B. Nutrient absorption
C. Antibiotic production
D. Cell division regulation

What is the primary function of microorganisms in the nitrogen cycle?

A. Conversion of nitrogen between different forms
B. Photosynthesis
C. Cellular respiration
D. Synthesis of amino acids

Which microorganism is responsible for the production of penicillinase, an enzyme that degrades penicillin?

A. Staphylococcus aureus
B. Escherichia coli (E. coli)
C. Streptococcus pyogenes
D. Bacillus subtilis

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

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

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

A. Conversion of sulfur between different forms
B. Nitrogen fixation
C. Photosynthesis
D. Cellular respiration

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 immune system in the human body?

A. Defending against pathogens
B. Producing digestive enzymes
C. Synthesizing hormones
D. Facilitating blood circulation

Which microorganism is responsible for the formation of biofilms in dental plaque?

A. Streptococcus mutans
B. Escherichia coli (E. coli)
C. Candida albicans
D. Mycobacterium tuberculosis

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

A. Conversion of sulfur between different forms
B. Nitrogen fixation
C. Photosynthesis
D. Cellular respiration