Bio 1104 - Exam 1 Questions With Complete Solutions
_____ structures are those that are present in two organisms of
common ancestry and are still functional, while _____ structures
are those found in an organism that no longer serve a purpose.
Correct Answer homologous; vestigal
________ are able to grow and thrive under conditions that
would kill most other organisms. Correct Answer
Extremophiles
________ are divided into two major groups based on cell wall
structure. Correct Answer Bacteria
________ in prokaryotes enables the direct exchange of genetic
information between two cells. Correct Answer Conjugation
A suggested and testable explanation for an event is called a
Correct Answer hypothesis
About ________ percent of bacteria and archaea cannot be
cultured. Correct Answer 99
Advances in DNA sequencing technology and genomic analysis
has established new evolutionary relationships between
organisms previously thought to be unrelated. This can be
explained by: Correct Answer common genetic similarities
derived from a common ancestor or horizontal gene transfer
All of the following statements about the punctuated equilibrium
and gradual speciation models are correct EXCEPT: Correct
, Answer Punctuated equilibrium is most likely to occur in a
large population that lives in a stable climate
Applied science builds on the foundation of basic science.
Which is an example of basic science? Correct Answer
Determining the mechanism of DNA replication
Bacteria can exchange genes ________, spreading antibiotic
resistance Correct Answer among different species
Biogeography is defined as which of the following? Correct
Answer the study of the geographical distribution of living
things
Carl Worse used a novel approach to construct the phylogenetic
tree by: Correct Answer using genetic relationships to establish
variabilities
Clinical trials are underway to test the effectiveness of
________ for certain digestive disorders. Correct Answer fecal
transplants
Fossils have greatly aided the study of evolution by: Correct
Answer demonstrating gradual changes in form over millions of
years
Historically, ________ was a common foodborne illness
associated with improper sterilization or canning. Correct
Answer botulism
_____ structures are those that are present in two organisms of
common ancestry and are still functional, while _____ structures
are those found in an organism that no longer serve a purpose.
Correct Answer homologous; vestigal
________ are able to grow and thrive under conditions that
would kill most other organisms. Correct Answer
Extremophiles
________ are divided into two major groups based on cell wall
structure. Correct Answer Bacteria
________ in prokaryotes enables the direct exchange of genetic
information between two cells. Correct Answer Conjugation
A suggested and testable explanation for an event is called a
Correct Answer hypothesis
About ________ percent of bacteria and archaea cannot be
cultured. Correct Answer 99
Advances in DNA sequencing technology and genomic analysis
has established new evolutionary relationships between
organisms previously thought to be unrelated. This can be
explained by: Correct Answer common genetic similarities
derived from a common ancestor or horizontal gene transfer
All of the following statements about the punctuated equilibrium
and gradual speciation models are correct EXCEPT: Correct
, Answer Punctuated equilibrium is most likely to occur in a
large population that lives in a stable climate
Applied science builds on the foundation of basic science.
Which is an example of basic science? Correct Answer
Determining the mechanism of DNA replication
Bacteria can exchange genes ________, spreading antibiotic
resistance Correct Answer among different species
Biogeography is defined as which of the following? Correct
Answer the study of the geographical distribution of living
things
Carl Worse used a novel approach to construct the phylogenetic
tree by: Correct Answer using genetic relationships to establish
variabilities
Clinical trials are underway to test the effectiveness of
________ for certain digestive disorders. Correct Answer fecal
transplants
Fossils have greatly aided the study of evolution by: Correct
Answer demonstrating gradual changes in form over millions of
years
Historically, ________ was a common foodborne illness
associated with improper sterilization or canning. Correct
Answer botulism
