BIOL 1407 EXAM 1 Chapters 20-23 Questions With
Complete Solutions
___ is defined as the reconstruction and study of evolutionary
relationships Correct Answers C. systematics
A _____ phylogenetic tree has a single lineage at it's base that
represents the most recent ancestor of the tree Correct Answers
A. rooted
A prion is an infectious agent that is classified as a Correct
Answers B. protein
A species name consists of which of the following word
combinations? Correct Answers A. genus, specific epithet
A virus (virion) is composed of two basic parts; ____ and ____
Correct Answers B. nucleic acid, protein capsid
Agar, carrageen, and sushi roll wrappings all derive from
protists that are classified into the Phylum _____ Correct
Answers A. Rhodophyta
Amoeboid protists move by which of the following methods?
Correct Answers C. pseudopods
Approximately how many different species of life have been
named and described on Earth? Correct Answers B. about 2
million
, Approximately what percentage of microorganisms cause
human disease? Correct Answers A. <1%
B. organisms in the Phylum Ciliophora use what structures to
move with? Correct Answers B. cilia
Bacteria cell divide using an asexual process called Correct
Answers D. binary fission
Bacteriophages are viruses that infect___ Correct Answers B.
bacteria
Chickenpox (Varicella) and shingles are both caused by the
same type of virus. What is the name of this virus? Correct
Answers A. varicella-zoster
Gram positive stain a ____ color, while gram negative bacteria
stain a ___ color. Correct Answers B. purple, red (pink)
Horizontal gene transfer in bacteria that occurs when a bacterial
cell picks up a small piece of DNA from its environment is
called Correct Answers C. transformation
How is Lyme disease transmitted? Correct Answers A. by the
bite of tick
How is Trypanosoma transmitted to humans? Correct Answers
B. tsetse fly
In ciliates, what is the purpose of the contractive vacuole?
Correct Answers A. osmoregulation
Complete Solutions
___ is defined as the reconstruction and study of evolutionary
relationships Correct Answers C. systematics
A _____ phylogenetic tree has a single lineage at it's base that
represents the most recent ancestor of the tree Correct Answers
A. rooted
A prion is an infectious agent that is classified as a Correct
Answers B. protein
A species name consists of which of the following word
combinations? Correct Answers A. genus, specific epithet
A virus (virion) is composed of two basic parts; ____ and ____
Correct Answers B. nucleic acid, protein capsid
Agar, carrageen, and sushi roll wrappings all derive from
protists that are classified into the Phylum _____ Correct
Answers A. Rhodophyta
Amoeboid protists move by which of the following methods?
Correct Answers C. pseudopods
Approximately how many different species of life have been
named and described on Earth? Correct Answers B. about 2
million
, Approximately what percentage of microorganisms cause
human disease? Correct Answers A. <1%
B. organisms in the Phylum Ciliophora use what structures to
move with? Correct Answers B. cilia
Bacteria cell divide using an asexual process called Correct
Answers D. binary fission
Bacteriophages are viruses that infect___ Correct Answers B.
bacteria
Chickenpox (Varicella) and shingles are both caused by the
same type of virus. What is the name of this virus? Correct
Answers A. varicella-zoster
Gram positive stain a ____ color, while gram negative bacteria
stain a ___ color. Correct Answers B. purple, red (pink)
Horizontal gene transfer in bacteria that occurs when a bacterial
cell picks up a small piece of DNA from its environment is
called Correct Answers C. transformation
How is Lyme disease transmitted? Correct Answers A. by the
bite of tick
How is Trypanosoma transmitted to humans? Correct Answers
B. tsetse fly
In ciliates, what is the purpose of the contractive vacuole?
Correct Answers A. osmoregulation
