BI 234 FOR TEST 1 EXAM QUESTIONS AND ANSWERS WITH COMPLETE VERIFIED
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Course
BI 234
Institution
BI 234
BI 234 FOR TEST 1 EXAM QUESTIONS AND ANSWERS WITH COMPLETE VERIFIED
What distinguishes a eukaryote from a prokaryote?
Eukaryotes have a membrane bound nucleus, prokaryotes don't.
What is a pathogen?
something that causes illness.
What is pathogenesis?
Studying how pathogens causes disease.
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Eukaryotes have a membrane bound nucleus, prokaryotes don't.
What is a pathogen?
something that causes illness.
What is pathogenesis?
Studying how pathogens causes disease.
What is an infectious disease?
A disease that is communicable.
What do antibodies attach to?
Antibodies attach to antigens.
What strain of staphylococcus is methicillin resistant?
MRSA (staphylococcus aureus)
What is recombinant DNA?
Mixing and matching DNA to form new DNA.
How long does it take for 1 e.coli cell to go through mitosis?
Ten minutes.
What type of bacteria is used to make insulin in mass quantity?
E.Coli.
What was Antoni van Leeuwenhoek's biggest contribution to microbiology?
,He was the first to observe micro organisms.
What was the previous name of "Micro organisms"
Animalcules.
What is a micro organism?
Anything that is alive and requires a microscope to be viewed.
What are the two classes of prokaryotes in microbiology?
Bacteria and Archaea
What are the four types of Eukaryotes in microbiology?
Fungi, protozoa, algae, parasites
What diseases do archaea bacteria cause in humans?
None, they are inert to us.
What is binomial nomenclature?
The system for naming organisms. (Genus, species)
What system does yeast use to reproduce?
They use a system called "budding"
What system does mold use to reproduce?
They use spores to reproduce.
What distinguishes protozoa from other types of microscopic eukaryotes?
They have a mode of locomotion.
What are the three methods of locomotion in protozoa?
Pseudopodia, cilia, and flagella.
What was Louis Pasteur's biggest contribution to microbiology?
Disproving the concept of spontaneous generation.
, What is the "Germ Theory of Disease"?
It is the hypothesis that germs are responsible for disease.
What are "Koch's Postulates" for discerning disease causing bacteria?
1. Bacteria must be found in every case and absent in every healthy person.
2. Bacteria can be isolated in pure form from the host.
3. Introducing agent to a healthy host causes the disease.
4. The same bacteria can be isolated from diseased host.
What are the two main functions of an incubator?
Provide heat and moisture.
What is bacteriology?
The study of bacteria.
What is phycology?
The study of algae.
What is mycology?
The study of fungi.
What is protozoology?
The study of protozoa.
What is parasitology?
The study of parasites.
What is virology?
The study of viruses.
What is microbial metabolism?
The sum of all chemical reactions within a cell.
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