Which of the following is untrue regarding prediction with neural networks?

11. Which of the following is untrue regarding Prediction with Neural Networks? Explanation: A neural network is trained not by a single sequence but by a sequence profile derived from the multiple sequence alignment.

Which of the following is untrue regarding prediction of helical membrane proteins?

Which of the following is untrue regarding Prediction of Helical Membrane Proteins? Explanation: The hydrophobic helices are normally separated by hydrophilic loops with average lengths of fewer than sixty residues. The residues bordering the transmembrane spans are more positively charged.

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Which of the following is untrue about ab initio method?

Which of the following is untrue about Ab initio prediction? Explanation: Alongside the advantages, because the physicochemical laws governing protein folding are not yet well understood, the energy functions used in the ab initio prediction are, at present, rather inaccurate.

Which of the following is untrue about profile method?

6. Which of the following is untrue about profile method? Explanation: The profile contains scores that describe the propensity of each of the twenty amino acid residues to be at each profile position. … Explanation: In many cases, they can identify more than twice as many distant homologs than PSI-BLAST.

Is a web based program that combines neural network with multiple sequence alignment?

PHD (Profile network from Heidelberg ; http://dodo.bioc.columbia.edu/predict protein/submit def. html) is a web-based program that combines neural network with multiple sequence alignment. … The resulting alignment in the form of a profile is fed into a neural network that contains three hidden layers.

Which of the following is wrong about Swiss PDB viewer?

7. Which of the following is wrong about Swiss-PDB Viewer? Explanation: It is essentially a Swiss-Army knife for structure visualization and modeling because it incorporates so many functions in a small shareware program.

Which of the following is incorrect regarding sequence homology Mcq?

7. Which of the following is incorrect regarding sequence homology? Explanation: Homologous relationships are more certain when the sequences have common evolutionary origin. … Shorter sequences require higher cutoffs for inferring homologous relationships than longer sequences.

Which of the following is untrue about ab initio based programs for gene prediction?

Which of the following is untrue about Ab Initio–Based Programs for Gene Prediction? Explanation: To predict exons, the algorithms rely on two features, gene signals and gene content. Signals include gene start and stop sites and putative splice sites, recognizable consensus sequences such as poly-A sites. 6.

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Which of the following is untrue about gene order comparison?

Which of the following is untrue about Gene Order Comparison? Explanation: Gene order conservation is in fact rarely observed among divergent species. Therefore, comparison of syntenic relationships is normally carried out between relatively close lineages.

Which of the following is untrue regarding maximum parsimony method?

2. Which of the following is untrue regarding the maximum parsimony method? Explanation: The algorithm followed is not particularly complicated, but it is guaranteed to find the best tree, because all possible trees relating a group of sequences are examined.

Which of the following is untrue regarding the progressive alignment method?

1. Which of the following is untrue regarding the Progressive Alignment Method? Explanation: Progressive alignment speeds up the alignment of multiple sequences through a multistep process further, the scores can either be percent identity or similarity scores based on a particular substitution matrix.

Which of the following is incorrect about the prediction of RNA secondary structure?

1. Which of the following is incorrect about the prediction of RNA secondary structure? Explanation: The energy of each predicted structure is estimated by the nearest- neighbor rule by summing the negative base-stacking energies for each pair of bases in double-stranded regions.

Which of the following is incorrect regarding automated genome annotation?

Which of the following is incorrect regarding Automated Genome Annotation? Explanation: If a newly sequenced gene or its gene product has significant matches with a database sequence beyond a certain threshold, a transfer of functional assignment is taking place.

Which of the following is true single layer associative neural networks do not have the ability to?

Explanation: Pattern recognition is what single layer neural networks are best at but they don’t have the ability to find the parity of a picture or to determine whether two shapes are connected or not.

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Which of the following is true regarding the methods of gene prediction?

Which of the following is true regarding the methods of gene prediction? Explanation: The current gene prediction methods can be classified into two major categories, ab initio–based and homology-based approaches. The ab initio–based approach predicts genes based on the given sequence alone.

Which of the following is incorrect about intermolecular approach?

3. Which of the following is incorrect about intermolecular approach? Explanation: The rotation continues until the shortest intermolecular distance is reached.