Life Science: Microbiology Flashcards
Describe prokaryotic microorganisms
(Include: # of cells, nuclei, reproduction, examples)
- unicellular
- lack a nucleus
- reproduce asexually
- Examples of prokaryotic microorganisms: bacteria and archaea.
Identify the following disease Tuberculosis and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Mycobacterium
Identify the following disease Bacterial Meningitis and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Neisseria meningitidis
Identify the following disease Food Poisoning and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> E. coli/ Staphylococcus
Identify the following disease Strep throat and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Streptococcal
Identify the following disease Ear Infections and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Streptococcus
Identify the following disease UTIs and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> E. coli
Identify the following disease Tetanus and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Clostridium
Identify the following disease Bacterial Pneumonia and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Streptococcus
Identify the following disease Leprosy and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Mycobacterium
Identify the following disease Strep throat and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Bacterial Disease
-> Streptococcal
Q: Describe Fungi
(Cell Type, Feeding Mechanism, Example)
Cell Type
Fungi is eukaryotic
Feeding Mechanism
obtains food from decomposing other organisms
Example
unicellular (yeast)
multicellular (mold)
Identify the following disease Yeast Overgrowth and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
-> Candida
Identify the following disease Thrush and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
-> Candida
Identify the following disease Vaginal yeast infection and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
-> Candida
Identify the following disease Ringworm and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
-> Tinea
Identify the following disease athletes foot and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
-> Tinea
Identify the following disease jock itch and its causative agent??
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
-> Tinea
Identify the following disease lung infection?
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
Identify the following disease bloodstream infection?
Is it bacterial, fungi, virus, parasitic, helminths?
- Fungal
Q: Describe Protozoa.
(Cell type, Living Environment, Movement)
Cell Type
- Protozoa are single-celled eukaryotes
Living Environment
- live freely in water and in some animal hosts
Movement
- movement via pseudopodia, cilia, and flagella.
Identify the following disease Dysentery?
Is it bacterial, fungi, virus, parasitic, helminths?
- Parasitic
Identify the following disease Malaria?
Is it bacterial, fungi, virus, parasitic, helminths?
- Parasitic
Identify the following disease Sleeping Sickness?
Is it bacterial, fungi, virus, parasitic, helminths?
- Parasitic
Q: Describe Algae
(Cell Type, Characteristics, Example)
Cell Type
- Algae are eukaryotic organisms
Characteristics
- unicellular or multicellular
- are photosynthetic.
Examples
- Ex: Kelp & Seaweed
Q: Describe Microscopic animals.
A: Microscopic animals are multicellular eukaryotes that have a life cycle and can cause disease.
Q: What are some diseases caused by microscopic animals?
A:
- Parasitic worms: Tapeworms, hookworms.
- Scabies: Human itch mite.
- Lice: Do not cause disease but can carry pathogens.
Q: Describe viruses.
(Characteristics, Genetic Material, Method of Reproduction)
Characteristics
- Viruses are acellular and non-living
- Covered in protein coat
Genetic Material
- Either DNA or RNA
Reproduction
- obligate intracellular aerobes
Identify the following disease Influenza?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease HIV/AIDS?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease Measles/Mumps?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease Covid-19?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease Viral Pneumonia?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease Common Cold?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease Chickenpox/Shingles?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Identify the following disease Rabies?
Is it bacterial, fungi, virus, parasitic, helminths?
Viral
Q: What are pathogens?
A: Pathogens are disease causing microbes.
Q: Compare Infectious v. Noninfectious diseases.
A:
- Infectious Diseases: Diseases that can be spread from person to person (animal to person)
- Non-infectious Diseases: Diseases that cannot be spread from person to person. They are based on genetic predisposition & lifestyle factors.
–> Ex: Cancer, Asthma, Arthritis, Diabetes
Q: Describe some examples of Contact Transmission.
A:
- Direct Contact: Direct body contact
- Droplet Transmission: Short-range coughing or sneezing
Q: Describe some examples of Indirect Contact Transmission.
A:
- Airborne: Pathogens in the air carried by dust or droplets.
- Vehicles: Food, water, biological products, fomites
- Vectors: Mosquitoes, fleas, ticks, can carry pathogens passively or the pathogens multiplies in vector
Q: What are light microscopes?
A: Light microscopes use light for visualization. These microscopes can magnify up to 1,000x.
Q: What are brightfield microscopes?
A: Microscopes where the background is illuminated. Used to see microbes that have been stained.
What microscope would best be used to see microbes that have been stained?
Brightfield microscopes
Q: What are darkfield microscopes?
A: Microscopes where the background is dark. Used to see live, unstained specimens.
What microscope would best be used to see live, unstained microbes?
darkfield microscope
Q: What are phase-contrast microscopes?
A: Microscopes that use contrast without staining the specimen.
What microscope would use contrast to see a microbe without staining them?
Phase-contrast microscope
Q: What are fluorescence microscopes?
A: Microscope used to see stain that contain particles that will appear fluorescent.
What microscope would be used if the specimen was stained with a fluorescent stain?
Fluorescence microscope
Q: What are confocal scanning laser microscopes?
A: Microscope that uses fluorescence to view a single plane. Each image is an optical slide through a specimen.
Q: What are differential interference contrast microscopes?
A: Very contrasted to give an image a 3D & shadowed appearance.
Q: What are electron microscopes?
A: Electron microscopes use electrons for visualization instead of lights. These microscopes can be used to magnify 10,000x - 100,000x
Q: What are transmission electron microscopes?
A: Microscopes where electrons pass through the specimen.
Q: What are scanning electron microscopes?
A: Microscopes where electron bounce off specimen to create a surface image.
Abby wants to see detailed, highly resoluted surface structures of a specimen. What microscope would be best to see this result?
Scanning electron microscope