MIC 205 EXAM 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Question:
1. Virus
Answer:
a small infectious agent that replicates ONLY inside the living cells of other organisms
Question:
2. Algae
Answer:
-Unicellular or multicellular
-Photosynthetic
-Simple reproductive structures
-Categorized on the basis of pigmentation, storage products, and composition of cell wall
Question:
3. Fungi
Answer:
A eukaryotic organism that has cell walls, uses spores to reproduce, and is a heterotroph that feeds by
absorbing its food.
Question:
4. molds
Answer:
multicellular, have hyphae (filaments); reproduce by sexual and asexual spores
Question:
5. yeasts
Answer:
unicellular; reproduce asexually by budding; some produce sexual spores
Question:
6. Protozoa
Answer:
- single celled eukaryotes
- similar to animals in cell structures and nutrition (chemotroph) needs
-life stages + trophozoite: active stage + cysts: immature stage locomotion
Question:
7. pseudopodia
Answer:
''false feet''; A cellular extension of amoeboid cells used in moving and feeding.
,Question:
8. cilia
Answer:
The hairlike projections on the outside of cells that move in a wavelike manner
Question:
9. flagella
Answer:
long, filaments-like "tails" used for swimming
Question:
10. bacteria
Answer:
unicellular, lack nuclei, possess unique shapes
-found in extreme environments and where there is sufficient mositure
-reproduce asexually
Question:
11. bacteria
Answer:
cell walls contain peptidoglycan, some lack cell walls
-some cause diseases
-some are beneficial to human flora
Question:
12. archaea
Answer:
cell walls composed of polymers other than peptidoglycan
-many live in extreme environments (high heat, high salt, and high pressure)
Question:
13. Era of Speculation
Answer:
- 5000 B.C to 1600
- foods - bread, wine
- diseases - plagues, syphilis
- domesticated plants for farming
- livestock animals
Question:
14. organism
, Answer:
-increase in size over time (growth)
- reproduce
- responds to environment
- movement
- metabolism
- complex & exhibit organized structure
Question:
15. theory if spontaneous generation
Answer:
originated with the Greek philosphers in the middle ages
-Is there a link between disease and the environment?
- fall ill and not catch it again after contact?
-add little old wine to make grape juice into wine?
Question:
16. Antoni van Leeuwenhoek (1632-1723)
Answer:
- simple microscopes
- "animalcules"
- father of microbiology
Question:
17. Carolus Linnaeus (1707-1778)
Answer:
taxonomy, developed system for naming and grouping he grouped Leeuwenhoek's microorganisms into
five categories (small animals, fungi, protozoa, algae, and prokaryotoes)
Question:
18. Taxonomy
Answer:
consists of classification, nomenclature, and identification
Question:
19. binomal nomenclature
Answer:
Classification system in which each species is assigned a two-part scientific name
-genus
-species
Question:
20. hierarchical system
CORRECT ANSWERS
Question:
1. Virus
Answer:
a small infectious agent that replicates ONLY inside the living cells of other organisms
Question:
2. Algae
Answer:
-Unicellular or multicellular
-Photosynthetic
-Simple reproductive structures
-Categorized on the basis of pigmentation, storage products, and composition of cell wall
Question:
3. Fungi
Answer:
A eukaryotic organism that has cell walls, uses spores to reproduce, and is a heterotroph that feeds by
absorbing its food.
Question:
4. molds
Answer:
multicellular, have hyphae (filaments); reproduce by sexual and asexual spores
Question:
5. yeasts
Answer:
unicellular; reproduce asexually by budding; some produce sexual spores
Question:
6. Protozoa
Answer:
- single celled eukaryotes
- similar to animals in cell structures and nutrition (chemotroph) needs
-life stages + trophozoite: active stage + cysts: immature stage locomotion
Question:
7. pseudopodia
Answer:
''false feet''; A cellular extension of amoeboid cells used in moving and feeding.
,Question:
8. cilia
Answer:
The hairlike projections on the outside of cells that move in a wavelike manner
Question:
9. flagella
Answer:
long, filaments-like "tails" used for swimming
Question:
10. bacteria
Answer:
unicellular, lack nuclei, possess unique shapes
-found in extreme environments and where there is sufficient mositure
-reproduce asexually
Question:
11. bacteria
Answer:
cell walls contain peptidoglycan, some lack cell walls
-some cause diseases
-some are beneficial to human flora
Question:
12. archaea
Answer:
cell walls composed of polymers other than peptidoglycan
-many live in extreme environments (high heat, high salt, and high pressure)
Question:
13. Era of Speculation
Answer:
- 5000 B.C to 1600
- foods - bread, wine
- diseases - plagues, syphilis
- domesticated plants for farming
- livestock animals
Question:
14. organism
, Answer:
-increase in size over time (growth)
- reproduce
- responds to environment
- movement
- metabolism
- complex & exhibit organized structure
Question:
15. theory if spontaneous generation
Answer:
originated with the Greek philosphers in the middle ages
-Is there a link between disease and the environment?
- fall ill and not catch it again after contact?
-add little old wine to make grape juice into wine?
Question:
16. Antoni van Leeuwenhoek (1632-1723)
Answer:
- simple microscopes
- "animalcules"
- father of microbiology
Question:
17. Carolus Linnaeus (1707-1778)
Answer:
taxonomy, developed system for naming and grouping he grouped Leeuwenhoek's microorganisms into
five categories (small animals, fungi, protozoa, algae, and prokaryotoes)
Question:
18. Taxonomy
Answer:
consists of classification, nomenclature, and identification
Question:
19. binomal nomenclature
Answer:
Classification system in which each species is assigned a two-part scientific name
-genus
-species
Question:
20. hierarchical system
