Which of the following is an incorrect statement about Newick Format?

In this linear representation, each internal node is represented by a pair of parentheses

It was designed to provide information of tree topology to computer programs without having to draw the tree itself

In this format, trees are represented by taxa excluded in nested parentheses

In this linear representation, each internal node is represented by a pair of parentheses

For a tree with scaled branch lengths, the branch lengths in arbitrary units are placed immediately after the name of the taxon separated by a colon

Explore topic-wise MCQs in Bioinformatics.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.	In Jukes Cantor Model to correct evolutionary distances, A formula for deriving evolutionary distances that include hidden changes is introduced by using a logarithmic function. It is ____
A.	d<sub>AB</sub> = (3/4) log[1 (4/7)p<sub>AB</sub>]
B.	d<sub>AB</sub> = (3/4) ln[1 (5/3)p<sub>AB</sub>]
C.	d<sub>AB</sub> = (3/4) log[1 (4/3)<sub>pAB</sub>]
D.	d<sub>AB</sub> = (3/4) ln[1 (4/3)<sub>pAB</sub>]
Answer» E.

Discussion

2.	DNA sequences are sometimes more biased than protein sequences because of preferential codon usage in different organisms.
A.	True
B.	False
Answer» B. False

Discussion

3.	Protein sequences can remain the same while the corresponding DNA sequences have more room for variation.
A.	True
B.	False
Answer» B. False

Discussion

4.	In many cases ______ sequences are preferable to ______ sequences because they are relatively ____ conserved.
A.	protein, nucleotide, less
B.	nucleotide, protein, less
C.	protein, nucleotide, more
D.	nucleotide, protein, more
Answer» D. nucleotide, protein, more

Discussion

5.	For studying the evolution of ________ divergent groups of organisms, one may choose either ______ nucleotide sequences, such as ribosomal RNA or protein sequences.
A.	less widely, slowly evolving
B.	more widely, slowly evolving
C.	more widely, rapidly evolving
D.	less widely, rapidly evolving
Answer» C. more widely, rapidly evolving

Discussion

6.	Which of the following is an incorrect statement about Newick Format?
A.	It was designed to provide information of tree topology to computer programs without having to draw the tree itself
B.	In this format, trees are represented by taxa excluded in nested parentheses
C.	In this linear representation, each internal node is represented by a pair of parentheses
D.	For a tree with scaled branch lengths, the branch lengths in arbitrary units are placed immediately after the name of the taxon separated by a colon
Answer» C. In this linear representation, each internal node is represented by a pair of parentheses

Discussion

Explore topic-wise MCQs in Bioinformatics.

In Jukes Cantor Model to correct evolutionary distances, A formula for deriving evolutionary distances that include hidden changes is introduced by using a logarithmic function. It is ____

DNA sequences are sometimes more biased than protein sequences because of preferential codon usage in different organisms.

Protein sequences can remain the same while the corresponding DNA sequences have more room for variation.

In many cases sequences are preferable to sequences because they are relatively conserved.

For studying the evolution of __ divergent groups of organisms, one may choose either nucleotide sequences, such as ribosomal RNA or protein sequences.

Which of the following is an incorrect statement about Newick Format?

Explore topic-wise MCQs in Bioinformatics.

In Jukes Cantor Model to correct evolutionary distances, A formula for deriving evolutionary distances that include hidden changes is introduced by using a logarithmic function. It is ____

DNA sequences are sometimes more biased than protein sequences because of preferential codon usage in different organisms.

Protein sequences can remain the same while the corresponding DNA sequences have more room for variation.

In many cases ______ sequences are preferable to ______ sequences because they are relatively ____ conserved.

For studying the evolution of ________ divergent groups of organisms, one may choose either ______ nucleotide sequences, such as ribosomal RNA or protein sequences.

Which of the following is an incorrect statement about Newick Format?

In many cases sequences are preferable to sequences because they are relatively conserved.

For studying the evolution of __ divergent groups of organisms, one may choose either nucleotide sequences, such as ribosomal RNA or protein sequences.