EXAM #1 - BIOL 203 LIBERTY UNIVERSITY Questions and Correct Answers | Latest Update
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Course
BIOL 203
Institution
BIOL 203
microorganism
are organisms that are too small to be seen with the unaided eye
microbes
1. decomposed in organic waste
2. to produce chemicals (ethanol and acetone)
3. an important role in the ecosystem by photosynthesis (O2 and
C6H12O6)
4. to ferment food (cheese, vi...
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
EXAM #1 - BIOL 203 LIBERTY UNIVERSITY
Questions and Correct Answers | Latest
Update
microorganism
are organisms that are too small to be seen with the unaided eye
microbes
1. decomposed in organic waste
2. to produce chemicals (ethanol and acetone)
3. an important role in the ecosystem by ph otosynthesis (O2 and
C6H12O6)
4. to ferment food (cheese, vinegar)
5. produce production use in treatment (insulin)
Linnaens
establish the system of scientific names
each organisms has two names
1. the genus
2. the specific epithet
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, Best Grades | Must Pass | Latest Update | Correct Answers | 2024/ 2025
specific names
are italicized or underlined: the genus is capitalized and the specific
epithet is lowercase
types of microorganisms
1. bacteria
2. archaea
3. fungi
4. protozoa
5. algae
6. viruses
7. multicellular animal parasites
Bacteria
1. prokaryote (no nucleus)
2. single-celled organisms
3. peptidoglycan cell walls
4. binary fission (2 equal cells)
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5. contains carbohydrates and protein complex
bacteria appearance
1. bacillus (rodlike)
2. coccus (spherical)
3. spiral (curved)
diplo-
two cells
strepto-
a combining form meaning "twisted"
staphylo-
forms in chains
archaea
1. prokaryotic (no nucleus)
2. lack peptidoglycan
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3. live in extreme environments
4. have cell walls
5. not known to cause disease in humans
archaea divided into three main groups
1. methanogens
2. extreme halophils
3. extreme thermophils
methanogens
1. produces methane as a waste product from respiration
2. used in sewage treatment
methane production
extreme halophiles
1. living in an extremely salty environment
2. great lakes and deep sea
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