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

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

The nucleolus in eukaryotic microbial cells is involved in the synthesis of ribosomal RNA.

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 penicillin?

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

What is the primary mode of nutrition in fungi?

A. Heterotrophic
B. Autotrophic
C. Mixotrophic
D. Parasitic

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 microbiome in the human body?

A. Maintaining a balance of beneficial microorganisms
B. Aiding in locomotion
C. Producing hormones
D. Facilitating blood circulation

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

Which microorganism is responsible for the production of beer?

A. Saccharomyces cerevisiae (brewer's yeast)
B. Lactobacillus
C. Streptococcus pyogenes
D. Pseudomonas aeruginosa

What is the primary function of the polymerase chain reaction (PCR) in microbiology?

A. Amplifying DNA fragments
B. Synthesizing proteins
C. Producing antibiotics
D. Generating ATP

What is the primary role of viruses in microbiology?

A. Infecting host cells and replicating
B. Decomposing organic matter
C. Producing antibiotics
D. Facilitating nutrient absorption