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- 1. Multiple Choice
Bacteria, along with having its main chromosome, has small circular pieces of DNA. What are these small pieces of DNA called?
Plasmids
Nucleoid
Ribosome
Flagellum
- 2. Multiple Choice
The prefix "halo" such as in halophile most likely means...
Salt
High temperatures
Self-serving
Gram
- 3. Multiple Choice
What kind of Archaea would you find in places such as volcanoes and hot vents on the ocean floor?
Thermophiles
Halophiles
Cyanobacteria
Plasmophiles
Volcanophiles
- 4. Multiple Choice
What does the suffix "troph" indicate?
How a creature acquires its energy
What kind of temperature a creature prefers
Whether its gram positive or negative
Whether its an Archaea or not
- 5. Multiple Choice
Which of the following is not a characteristic that defines an Archaea?
Live in extreme environments
Have cell walls with weird lipid compositions
Ancient prokaryotes
Has a nucleolus
- 6. Multiple Choice
Which of the following terms describes this group of creatures: slime molds, diatoms, red algae.
Protists
Archaea
Bacteria
Methanogens
- 7. Multiple Choice
Can bacteria be photosynthetic?
Yes, like cyanobacteria
No, there are no phototrophic bacteria
- 8. Multiple Choice
How do heterotrophs get their energy?
By breaking down/eating other organisms
By breaking down chemicals such as methane
By doing photosynthesis
By creating energy via the power of meditation
- 9. Multiple Choice
Which of the following groups of organisms are all chemotrophs?
Cyanobacteria
Methanogens
Slime molds
Red algae
- 10. Multiple Choice
The Dead Sea is a large salt lake bording Jordan and Israel. It has a salt concentration of 34.2%, which is too hypertonic for most life. What life might still survive and thrive there?
Halophiles
Thermophiles
Heterotrophs
Cyanobacteria
- 11. Multiple Choice
What would cyanobacteria be characterized as?
Phototrophs
Chemotrophs
Heterotrophs
Tealotroph
- 12. Multiple Choice
What is the difference between Gram positive bacteria and Gram negative bacteria?
How their cell walls are set-up
How long their flagellas are
Whether they have a nucleus or not
The rRNA composition of their ribosomes
- 13. Multiple Choice
Peptidoglycan is the main structural compound found in the cell walls of what kinds of creatures?
Slime molds
Bacteria
Algae
Archaea
- 14. Multiple Choice
How would a scientist describe the cell walls of Archaea?
Weird compositions of lipids
95% peptidoglycan
Mostly composed of chitin
Does not have a cell wall
- 15. Multiple Choice
Plasmids are often used by scientists who are messing with the genetics of bacteria. They use the plasmids as a "delivery mechanism." Bacteria will happily "take up" the plasmid and integrate it into their own genome. What is the plasmid "delivering"?
New DNA
Monosaccharides
Halogens
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