OPENSTAX MICROBIOLOGY
COMPREHENSIVE EXAMINATION TEST WITH
COMPLETE QUESTIONS AND SOLUTIONS
◉ What are some of the characteristics of microorganisms?
all of these
oldest living organisms
most numerous organisms
most diverse organisms. Answer: all of these
◉ What is a key difference between eukaryotes and prokaryotes?
Prokaryotes are multi-cellular
Eukaryotes have DNA
Prokaryotes have DNA
Eukaryotes have a nucleus. Answer: Eukaryotes have a nucleus
◉ What is a key difference between eukaryotic cells genetic makeup
and prokaryotic genetic makeup?
Eukaryotic cells have DNA that is organized into rings
Prokaryotic cells have DNA that is organized into rings
Prokaryotic cells have DNA that is cut into multiple linear pieces
, Prokaryotic cells have DNA that is linear. Answer: Prokaryotic cells
have DNA that is organized into rings
◉ What do we know about Archaea?
the are about 3.5 billion years old
they contain a nucleus
all of these
the have a double membrane. Answer: the are about 3.5 billion years
old
◉ Where can Methanogens thrive?
intestines
swamps
all of these
mud. Answer: all of these
◉ Where to Extremophiles thrive?
in temperatures above 113 degrees Celsius
Neither of these
Both of these
prefer to live non-saline water. Answer: in temperatures above 113
degrees Celsius
◉ One potential bacterial benefit of horizontal gene transfer could be:
COMPREHENSIVE EXAMINATION TEST WITH
COMPLETE QUESTIONS AND SOLUTIONS
◉ What are some of the characteristics of microorganisms?
all of these
oldest living organisms
most numerous organisms
most diverse organisms. Answer: all of these
◉ What is a key difference between eukaryotes and prokaryotes?
Prokaryotes are multi-cellular
Eukaryotes have DNA
Prokaryotes have DNA
Eukaryotes have a nucleus. Answer: Eukaryotes have a nucleus
◉ What is a key difference between eukaryotic cells genetic makeup
and prokaryotic genetic makeup?
Eukaryotic cells have DNA that is organized into rings
Prokaryotic cells have DNA that is organized into rings
Prokaryotic cells have DNA that is cut into multiple linear pieces
, Prokaryotic cells have DNA that is linear. Answer: Prokaryotic cells
have DNA that is organized into rings
◉ What do we know about Archaea?
the are about 3.5 billion years old
they contain a nucleus
all of these
the have a double membrane. Answer: the are about 3.5 billion years
old
◉ Where can Methanogens thrive?
intestines
swamps
all of these
mud. Answer: all of these
◉ Where to Extremophiles thrive?
in temperatures above 113 degrees Celsius
Neither of these
Both of these
prefer to live non-saline water. Answer: in temperatures above 113
degrees Celsius
◉ One potential bacterial benefit of horizontal gene transfer could be: