question What is the primary role of the glycocalyx in bacterial cells

What is the primary focus of microbiology?

A. Study of microorganisms
B. Plant biology
C. Human anatomy
D. Chemical reactions

Which of the following is an example of a Gram-negative bacterium?

A. Escherichia coli (E. coli)
B. Staphylococcus aureus
C. Bacillus subtilis
D. Clostridium difficile

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

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

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)

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

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

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

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

A. Decomposition of organic matter
B. Nitrogen fixation
C. Denitrification
D. Photosynthesis

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 function of the nucleoid in bacterial cells?

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