The principle of parsimony states that
a. the simplest pathway is most likely correct.
b. complexity is the key to truth.
c. the more members there are in the clade,
the more likely it is a true clade.
d. derived characters are those shared by
ancestral groupings.
e. most answers are incorrect
A
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Using a submersible, a biologist obtains a sand sample from the seafloor. In this sample, she discovers a new chemoautotrophic species of archaeon. She notes that these organisms thrive in cold temperatures (below 15 °C) and do not produce methane
How should this archaeon be classified? A. as a euryarchaeote archaeon B. as a crenarchaeote archaeon C. as a nanoarchaeote archaeon D. as a korarchaeote archaeon E. as a thaumarchaeote archaeon v
Reverse transcriptase is an enzyme that can synthesize DNA from an RNA template. What DNA sequence is produced from an RNA molecule with the sequence 5'AUUGACGGU3'?
A. 3'UAACUGCCA5'. B. 5'TTTCTGCCT3'. C. 3'TAACTGCCA5'. D. 5'ATTCAGCCT3'. E. 3'TUUCTGCCU5'.
The most-favored-nation clause was created in the
a. Trade Expansion Act of 1962. b. Marshall Plan. c. Reciprocal Trade Agreements Act of 1934. d. Canadian-American Trade Act.
Which of the following is NOT one of the 5 general steps of biotechnology?
Amplify a small amount of DNA Chop up DNA from a donor species Identify colonies that have received DNA containing the gene of interest Grow separate colonies containing different inserted pieces of donor DNA Insert different DNA segments into human cells to be grown and studied