2025 GRADE A 100% VERIFIED
1. Antoni van Leeuwenhoek - ANS>>> The first person in history to view microorganisms and record these
observations.
2. Protozoa - ANS>>> Single-celled eukaryotes that are generally motile.
3. Prokaryotes - ANS>>> Organisms that include archaea and bacteria.
4. Louis Pasteur - ANS>>> Demonstrated that fermentation to produce alcohol is caused by facultative anaerobes.
5. Needham - ANS>>> Provided evidence in favor of the concept of spontaneous generation.
6. Koch's postulates - ANS>>> A set of criteria for establishing a causal relationship between a microbe and a disease.
7. Chemical agents - ANS>>> Used to harm or kill microbes, a process known as chemotherapy.
8. Parasitic worms - ANS>>> Studied in microbiology because diagnosis usually involves microscopic examination of
patient samples.
9. Immunology - ANS>>> The study of the immune system and its response to pathogens.
10. Vaccines - ANS>>> Developed from the work of Jenner and Pasteur, laying the foundations of immunology.
11. Basic biochemical reactions - ANS>>> Primarily involve transfer of electrons and hydrogen ions.
12. Semmelweis - ANS>>> Advocated handwashing as a method of preventing infections during surgery.
13. Gram stain - ANS>>> A technique developed by Hans Christian Gram important for bacterial identification.
14. Fungi - ANS>>> Eukaryotes that have a cell wall; molds are multicellular and yeasts are unicellular.
15. Fermentation - ANS>>> A process caused by facultative anaerobes to produce alcohol.
,16. Epidemiology - ANS>>> The study of how diseases spread and can be controlled in populations.
17. Antisepsis - ANS>>> The practice of preventing infection by using antiseptic techniques.
18. Industrial microbiology - ANS>>> The application of microbiology in industrial processes.
19. Chemotherapy - ANS>>> The use of chemical agents to harm or kill microbes.
20. Molds - ANS>>> Multicellular fungi that are not photosynthetic.
21. Yeasts - ANS>>> Unicellular fungi that are not photosynthetic.
22. Obligate parasites - ANS>>> Organisms that can only survive by living on or in a host.
23. Facultative anaerobes - ANS>>> Microorganisms that can grow in both the presence and absence of oxygen.
24. Microbial classification - ANS>>> The systematic categorization of microorganisms.
25. Genetics - ANS>>> The study of heredity and the variation of inherited characteristics.
26. Food preparation - ANS>>> The process of preparing food, which can be influenced by microbiological factors.
27. Infectious disease - ANS>>> Diseases caused by pathogenic microorganisms.
28. cholera - ANS>>> A bacterial disease causing severe diarrhea and dehydration.
29. puerperal fever - ANS>>> A bacterial infection that occurs after childbirth.
30. smallpox - ANS>>> A highly contagious viral disease characterized by fever and skin rash.
31. anthrax - ANS>>> A serious infectious disease caused by Bacillus anthracis.
, 32. syphilis - ANS>>> A sexually transmitted infection caused by the bacterium Treponema pallidum.
33. chemotherapy - ANS>>> The use of drugs to treat diseases such as cancer.
34. viruses - ANS>>> A type of microbe that is acellular and requires a host to replicate.
35. vaccine - ANS>>> A biological preparation that provides active acquired immunity to a particular infectious
disease.
36. public hygiene - ANS>>> The science of promoting and protecting the health of the population.
37. Leeuwenhoek - ANS>>> A scientist known for his work in microbiology and the first to observe microbes.
38. genetic engineering - ANS>>> The direct manipulation of an organism's genes using biotechnology.
39. spontaneous generation - ANS>>> The discredited theory that living organisms can arise from non-living matter.
40. protozoa - ANS>>> Single-celled eukaryotic organisms that can be free-living or parasitic.
41. Ehrlich - ANS>>> A scientist known for his work in developing chemotherapy.
42. biochemistry - ANS>>> The study of chemical processes within and relating to living organisms.
43. epidemiology - ANS>>> The study of how diseases spread and can be controlled.
44. penicillin - ANS>>> An antibiotic used to treat bacterial infections, discovered by Alexander Fleming.
45. disinfection - ANS>>> The process of cleaning something to destroy bacteria.
46. prokaryotes - ANS>>> Microorganisms characterized by the absence of a nucleus.
47. cowpox - ANS>>> A viral disease that can provide immunity against smallpox.