question Which microorganism is responsible for the production of citric acid

What is the primary function of the Gram-positive bacterial cell wall?

A. Provides structural support
B. Facilitates nutrient absorption
C. Enables motility
D. Protects against phagocytosis

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

A. Cellular support and transport
B. Synthesis of proteins
C. DNA replication
D. Cell wall formation

What is the primary function of the cytoplasmic membrane in bacterial cells?

A. Selective permeability
B. Nutrient absorption
C. Protection from desiccation
D. Synthesis of cellular ATP

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

A. Protection from immune defenses
B. Nutrient absorption
C. Facilitates cell division
D. Enhances cellular respiration

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

What is the primary focus of microbiology?

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

Which microorganism is used in the production of antibiotics such as erythromycin?

A. Saccharopolyspora erythraea
B. Bacillus anthracis
C. Pseudomonas aeruginosa
D. Escherichia coli (E. coli)

What is the primary role of microorganisms in the process of bioremediation?

A. Breakdown of pollutants and contaminants
B. Production of toxins
C. Disruption of ecosystems
D. Inhibition of plant growth

Which microorganism is used in the production of vinegar?

A. Acetobacter
B. Lactobacillus
C. Clostridium acetobutylicum
D. Escherichia coli (E. coli)

Which microorganism is used in the production of antibiotics such as streptomycin?

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