WGU OA D311 ACTUAL EXAM QUESTIONS
AND COMPLETE STUDY GUIDE 2026
▶ What did Rebecca Lancefield propose in 1933?. Answer: That the use
of immunology to identify some bacteria according to serotypes, also
known as specific grains.
▶ Microbial Genetics. Answer: The study of how microbes inherit traits
▶ Molecular biology. Answer: The study of how DNA directs protein
synthesis
▶ Genomics. Answer: The study of an organism's genes; has provided
new tools for classifying microorganisms and link specific strains
▶ Recombinant DNA. Answer: DNA made from two different sources
(using cells to mass produce)
▶ What kind of things do bacteria recycle?. Answer: Carbon, nutrients,
sulfur, and phosphorus that can be used by plants and animals
▶ What are prions?. Answer: Infectious protein particles
AND COMPLETE STUDY GUIDE 2026
▶ What did Rebecca Lancefield propose in 1933?. Answer: That the use
of immunology to identify some bacteria according to serotypes, also
known as specific grains.
▶ Microbial Genetics. Answer: The study of how microbes inherit traits
▶ Molecular biology. Answer: The study of how DNA directs protein
synthesis
▶ Genomics. Answer: The study of an organism's genes; has provided
new tools for classifying microorganisms and link specific strains
▶ Recombinant DNA. Answer: DNA made from two different sources
(using cells to mass produce)
▶ What kind of things do bacteria recycle?. Answer: Carbon, nutrients,
sulfur, and phosphorus that can be used by plants and animals
▶ What are prions?. Answer: Infectious protein particles
