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

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

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 function of the CRISPR-Cas system in microbiology?

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

Which microorganism is used in the production of yogurt?

A. Lactobacillus
B. Salmonella
C. Pseudomonas aeruginosa
D. Clostridium botulinum

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

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 microorganism is responsible for the production of insulin in genetic engineering?

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

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

A. Contains the bacterial chromosome
B. Synthesizes cellular ATP
C. Initiates DNA replication
D. Facilitates protein synthesis

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 function of the endospore in bacteria?

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