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

Microbiology

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

The nucleoid in bacterial cells contains the bacterial chromosome and is involved in DNA replication and gene expression.

Which microorganism is used in the production of yogurt?

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

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 focus of microbiology?

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

Which of the following is a prokaryotic microorganism?

A. Bacteria
B. Fungi
C. Protozoa
D. Algae

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

A. Cephalosporium spp.
B. Bacillus anthracis
C. Pseudomonas aeruginosa
D. Escherichia coli (E. coli)

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

A. Recycling of phosphorus in ecosystems
B. Nitrogen fixation
C. Photosynthesis
D. Cellular respiration

What is the primary function 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 microorganisms in the phosphorus cycle?

A. Recycling of phosphorus in ecosystems
B. Nitrogen fixation
C. Photosynthesis
D. Cellular respiration

Which process involves the conversion of organic nitrogen compounds to ammonia in the nitrogen cycle?

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

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