Biology 114 Unit 2 Exam Questions and Complete Solutions
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BIO 114
Institution
BIO 114
What distinguishes bacteria from archaea? d only bacteria have peptidoglycan in their cell walls
Which of the following statements best describes the term synapomorphy? a trait common in a single monophyletic group, but not generally found outside of that group
In marine ecosystems, the main prod...
biology 114 unit 2 exam questions and complete sol
what distinguishes bacteria from archaea d only
which of the following statements best describes t
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Biology 114 Unit 2 Exam Questions and
Complete Solutions
What distinguishes bacteria from archaea? ✅d only bacteria have peptidoglycan in
their cell walls
Which of the following statements best describes the term synapomorphy? ✅a trait
common in a single monophyletic group, but not generally found outside of that group
In marine ecosystems, the main producers are? ✅photosynthetic protists
Protists and bacteria are grouped into different domains because? ✅protists have
membrane bound nucleus, which bacteria cells lack
Which of the following is the best evidence that all life evolved from prokaryotic rather
than eukaryotic ancestors? ✅the oldest fossil form of life is known to be prokaryotic
An organism that is capable of both photosynthesis and heterotrophy is an ✅mixotroph
While examining a rock surface, you have discovered an interesting new organism.
Which of the following criteria will allow you to classify the organism as belonging to
bacteria but not to archea or eukarya ✅cell walls are made of primarily of
peptidoglycan
Prokaryotes are classified as belonging to two different domains. What are the
domains? ✅bacteria and archaea
You might be interested to know how many different types of bacteria live on the shower
curtain in your bathroom. What is the most efficient method for finding out?
✅enrichment culture
Genetic recombination in prokaryotes is one factor that gives rise to their higher levels
of genetic diversity. Which of the following are mechanisms of prokaryotic genetic
recombination? ✅transformantion, transduction, conjugation
All of the above
In prokaryotes new mutations accumulate quickly in populations, while eukaryotes new
mutations accumulate much more slowly. The primary reasons for this are:
✅prokaryotes have short generation times and large population sizes.
Which of the following represents an area where prokaryotes are more diverse than
eukaryotes ✅metabolism
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