BIO 102 EXAM 2 QUESTIONS AND ANSWERS
Which condition(s) are most likely to be found on a habitat near or on the hydrothermal vents of Lost
City? - CORRECT ANSWER✅✅extreme heat, extreme pressure, basic pH, and ?????? (all of the above)
The habitats surrounding a deep-sea hydrothermal vent support differing microbial ???? because of
variation in - CORRECT ANSWER✅✅temperature, pH, hydrogen concentration, and methane
concentration (all of the above)
Most of the organisms found at Lost City are - CORRECT ANSWER✅✅prokaryotes
Which organisms would most likely NOT be found at or near a deep-sea hydrothermal vent? - CORRECT
ANSWER✅✅aerobic bacteria
The hydrothermal vents of Lost City are unique because - CORRECT ANSWER✅✅they have different
chemistry and inhabitants
Some microbes found at Lost City - CORRECT ANSWER✅✅use hydrogen or an energy source
Where would a scientist most likely find an archaean when sampling carbonate hydrothermal vents? -
CORRECT ANSWER✅✅inside the chimney beside the warm vent flow
All of the following are true of hydrothermal vents, EXCEPT - CORRECT ANSWER✅✅the temperatures
never get higher than 60 degrees celsius
How are samples collected from Lost City? - CORRECT ANSWER✅✅by using remotely controlled
machines
Why would a researcher be slow, careful, and meticulous while vacuuming a specific ????? deep-sea
chimney? - CORRECT ANSWER✅✅to avoid cross contamination of biological species, to avoid breaking
the chimney, to document a specific environment or habitat, and because it is done remotely and ????
skill (all of the above)
, Why would a researcher process microbes collected from a deep-sea chimney in an ????? ???? -
CORRECT ANSWER✅✅to prevent oxygen from harming the microbes and to control the environment
At which temperature would you incubate microbes collected at Lost City? - CORRECT
ANSWER✅✅would vary, depending on collection point
Lost City microbial samples must be processed in an anaerobic glove bag because - CORRECT
ANSWER✅✅The microbes are anaerobic and might be damaged if exposed to oxygen
Which of the following does NOT refer to a prokaryotic organism? - CORRECT ANSWER✅✅has
organelles
Which is NOT true of prokaryotes - CORRECT ANSWER✅✅They are exclusive to land
A prokaryote has all of the following structures EXCEPT - CORRECT ANSWER✅✅mitochondria
Which statement about prokaryotes is FALSE - CORRECT ANSWER✅✅All prokaryotes are bacteria
All of the following are true of prokaryotes EXCEPT - CORRECT ANSWER✅✅They are less numerous
than eukaryotes
All of the following are TRUE of eukaryotes EXCEPT - CORRECT ANSWER✅✅their DNA is found in
cytoplasm
Although prokaryotes survive in many different environments ________ have been called
"extremophiles" and have their own domain - CORRECT ANSWER✅✅archaea
Which statement is NOT true of archaea? - CORRECT ANSWER✅✅they are the First colonizers of Earth
Which prokaryotes inhabit new ?????????? - CORRECT ANSWER✅✅anaerobic bacteria
Which condition(s) are most likely to be found on a habitat near or on the hydrothermal vents of Lost
City? - CORRECT ANSWER✅✅extreme heat, extreme pressure, basic pH, and ?????? (all of the above)
The habitats surrounding a deep-sea hydrothermal vent support differing microbial ???? because of
variation in - CORRECT ANSWER✅✅temperature, pH, hydrogen concentration, and methane
concentration (all of the above)
Most of the organisms found at Lost City are - CORRECT ANSWER✅✅prokaryotes
Which organisms would most likely NOT be found at or near a deep-sea hydrothermal vent? - CORRECT
ANSWER✅✅aerobic bacteria
The hydrothermal vents of Lost City are unique because - CORRECT ANSWER✅✅they have different
chemistry and inhabitants
Some microbes found at Lost City - CORRECT ANSWER✅✅use hydrogen or an energy source
Where would a scientist most likely find an archaean when sampling carbonate hydrothermal vents? -
CORRECT ANSWER✅✅inside the chimney beside the warm vent flow
All of the following are true of hydrothermal vents, EXCEPT - CORRECT ANSWER✅✅the temperatures
never get higher than 60 degrees celsius
How are samples collected from Lost City? - CORRECT ANSWER✅✅by using remotely controlled
machines
Why would a researcher be slow, careful, and meticulous while vacuuming a specific ????? deep-sea
chimney? - CORRECT ANSWER✅✅to avoid cross contamination of biological species, to avoid breaking
the chimney, to document a specific environment or habitat, and because it is done remotely and ????
skill (all of the above)
, Why would a researcher process microbes collected from a deep-sea chimney in an ????? ???? -
CORRECT ANSWER✅✅to prevent oxygen from harming the microbes and to control the environment
At which temperature would you incubate microbes collected at Lost City? - CORRECT
ANSWER✅✅would vary, depending on collection point
Lost City microbial samples must be processed in an anaerobic glove bag because - CORRECT
ANSWER✅✅The microbes are anaerobic and might be damaged if exposed to oxygen
Which of the following does NOT refer to a prokaryotic organism? - CORRECT ANSWER✅✅has
organelles
Which is NOT true of prokaryotes - CORRECT ANSWER✅✅They are exclusive to land
A prokaryote has all of the following structures EXCEPT - CORRECT ANSWER✅✅mitochondria
Which statement about prokaryotes is FALSE - CORRECT ANSWER✅✅All prokaryotes are bacteria
All of the following are true of prokaryotes EXCEPT - CORRECT ANSWER✅✅They are less numerous
than eukaryotes
All of the following are TRUE of eukaryotes EXCEPT - CORRECT ANSWER✅✅their DNA is found in
cytoplasm
Although prokaryotes survive in many different environments ________ have been called
"extremophiles" and have their own domain - CORRECT ANSWER✅✅archaea
Which statement is NOT true of archaea? - CORRECT ANSWER✅✅they are the First colonizers of Earth
Which prokaryotes inhabit new ?????????? - CORRECT ANSWER✅✅anaerobic bacteria
