question What is the primary function of the CRISPR Cas system in microbiology

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

A. Synthesis of ribosomal RNA
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

What is the function of the endospore in bacteria?

A. Survival in harsh conditions
B. Facilitating nutrient absorption
C. Reproduction
D. Protection from UV radiation

Which microorganism is used in the production of antibiotics?

A. Streptomyces
B. Saccharomyces cerevisiae (brewer's yeast)
C. Penicillium
D. Escherichia coli (E. coli)

What is the primary mode of transmission of the influenza virus?

A. Respiratory droplets
B. Contaminated water
C. Vector (e.g., mosquito)
D. Sexual contact

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 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 function of the endocytosis in eukaryotic microbial cells?

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

Which microorganism is responsible for the production of citric acid?

A. Aspergillus niger
B. Streptococcus pyogenes
C. Mycobacterium leprae
D. Candida albicans

Which process involves the conversion of atmospheric nitrogen into ammonia?

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

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