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21
Identify the character-based method(s) used for the construction of a phylogenetic tree.
P. Maximum parsimony
Q. Neighbor joining
R. Maximum likelihood
S. Bootstrapping
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Answer & Solution
Answer: Option B
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22
An example of a program for constructing a phylogenetic tree
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Answer & Solution
Answer: Option A
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23
Amino acid sequences of cytochrome c and ribulose 5-phosphate epimerase from 40 organisms were chosen and phylogenetic trees were obtained for each of these two protein families.
Determine the correctness or otherwise of the following Assertion [A] and the Reason [R].
Assertion [A]: The two trees will not be identical.
Reason [R]: The nature and frequency of mutations in the two families are different.
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Answer & Solution
Answer: Option A
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24
Match the items in Group I with an appropriate description in Group II.
Group I Group II
P. UPGMA 1. Protein sequence database
Q. CLUSTAL 2. Phylogenetic analysis
R. SWISS-PROT 3. 3-D structure visualization
S. RasMol 4. Multiple sequence alignment
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Answer & Solution
Answer: Option B
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25
Number of unrooted trees in a phylogeny of five sequences is
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Answer: Option B
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26
Which one of these is a nucleotide sequence data base?
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Answer & Solution
Answer: Option B
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27
The term "Flybase" is a . . .
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Answer & Solution
Answer: Option A
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28
The algorithm for BLAST is based on
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Answer & Solution
Answer: Option C
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29
The process in which macromolecules are released out of cells is known as . . .
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Answer: Option A
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30
PDB is a . . .
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Answer & Solution
Answer: Option C
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