Microbiology

Living good bacteria which gives health benefit.

Probiotics

Bacteria belong to which domain? 1. Archea 2. Bacteria 3. Eukarya 4. Prokaryote

1. Archea

Which of the following is NOT an example of biotechnology? 1. Bacterial degradation of a dead animal. 2. Use of microorganism is the production of French bread. 3. Use of bacteria to produce insulin. 4. Use of bacteria of produce yogurt.

1. Bacterial degradation of a dead animal.

Match the following organisms with their characteristics. 1. Bacteria 2. Virus. 3. Fungi 4. Protozoa 5. Helminths

1. Unicellular prokaryote, does not have membrane bound nucleus and organelles, has DNA and RNA, rigid cell wall made up of peptidoglycan. 2. Non-living infectious agents, made up of protein coat and either DNA or RNA. 3. Unicellular or multicellular eukaryote, has RNA and DNA, membrane bound nucleus and organelles, has chitin in cell wall. 4. Unicellular eukaryote, classified by mode of locomotion, does not have cell wall. 5. Multicellular eukaryote, does not have cell wall, considered as parasites.

Robert Koch was involved in research on all of the following topics except: 1. Development of a method to prove the cause of an infectious disease. 2. The cause of fermentation 3. The cause of tuberculosis. 4. Techniques for isolation of microbes in the laboratory. 5. The cause of anthrax

2. The cause of fermentation

All of the following are associated with algae except: 1. They provide most of the oxygen on earth. 2. They are photosynthetic organisms. 3. they are important in the degradation of dead plants and animals. 4. The group includes seaweeds and kelps. 5. They are a source of food for aquatic and marine animals.

3. They are important in the degradation of dead plants and animals.

All of the following are questions that were asked by researchers in the modern age of microbiology except: 1. What roles do microorganisms play in the environment? 2. How do genes work? 3. What causes diseases? 4. What are the basic biochemical reactions of life? 5. How do we defend against disease?

3. What causes disease?

The study of the body's defenses against pathogens is called? 1. molecular biology. 2. etiology. 3. epidemiology. 4. immunology. 5. chemotherapy.

4. Immunology

Which of the following statements concerning Koch's postulates is false? 1. Koch's postulates cannot be used to demonstrate the cause of all diseases. 2. All of Koch's postulates must be satisfied before an organism can be proven to cause a particular disease. 3. A suspected pathogen must be able to be grown in the laboratory. 4. Koch's postulates involve the experimental infection of susceptible hosts. 5. A suspected pathogen must be found in the majority of individuals with a particular disease.

5. A suspected pathogen must be found in the majority of individuals with a particular disease.

All of the following types of research were begun during the Golden Age of microbiology except: 1. Epidemiology. 2. Biotechnology. 3. Etiology. 4. Chemotherapy. 5. Recombinant DNA technology.

5. Recombinant DNA technology

All of the following are characteristics of protozoa except: 1. They are single-celled organisms. 2. Most exhibit asexual reproduction. 3. They are eukaryotic organisms. 4. They usually possess cilia or flagella. 5. they are the microbes most similar to plants.

5. They are the microbes most similar to plants.

The use of microbes to detoxify polluted environments.

Bioremediation

The study of the occurrence, distribution, and spread of disease.

Epidemiology

Multicellular fungi are called ________. 1. Yeast 2. Algae 3. Mold 4. Protozoa

Mold

AN organism or other agent that can multiply inside a living cell.

Obligate intracellular parasite

The use of heat to kill pathogens and reduce the number of spoilage microorganisms in food and beverages.

Pasteurization