Questions and answers for exam Preparation

MCQs

Total Questions : 82 | Page 8 of 9 pages

Question 71. Which of the following is untrue about FootPrinter?

It is a web-based program for phylogenetic footprinting using multiple input sequences
The motifs from organisms spanning over the widest evolutionary distances are identified as promoter or regulatory motifs
The program performs multiple alignment of the input sequences to identify conserved motifs
The user does not necessarily provides a phylogenetic tree that defines the evolutionary relationship of the input sequences

Discuss Question

Answer: Option D. -> The user does not necessarily provides a phylogenetic tree that defines the evolutionary relationship of the input sequences
Answer: (d).The user does not necessarily provides a phylogenetic tree that defines the evolutionary relationship of the input sequences

Question 72. Which of the following is untrue about Expression Profiling–Based Method?

Genes with similar expression profiles are considered coexpressed, which can be identified through a clustering approach
This approach appears to be less effective for finding transcription factor binding sites
An advanced alignment-independent profile construction method such as EM and Gibbs motif sampling is often used in finding the subtle sequence motifs
The basis for coexpression is thought to be due to common promoters and regulatory elements

Discuss Question

Answer: Option B. -> This approach appears to be less effective for finding transcription factor binding sites
Answer: (b).This approach appears to be less effective for finding transcription factor binding sites

Question 73. Which of the following is a wrong statement regarding the conventional determination of open reading frames?

Without the use of specialized programs, prokaryotic gene identification can rely on manual determination of ORFs and major signals related to prokaryotic genes
Prokaryotic DNA is first subject to conceptual translation in all six possible frames, two frames forward and four frames reverse
A stop codon occurs in about every twenty codons by chance in a noncoding region
Prokaryotic DNA is first subject to conceptual translation in all six possible frames, three frames forward and three frames reverse

Discuss Question

Answer: Option B. -> Prokaryotic DNA is first subject to conceptual translation in all six possible frames, two frames forward and four frames reverse
Answer: (b).Prokaryotic DNA is first subject to conceptual translation in all six possible frames, two frames forward and four frames reverse

Question 74. There are ____ possible stop codons, identification of which is straightforward.