Friday, March 27, 2015

Multiple Choice Question - 27/Mar/2015

What is the main difference between the Kimura model and the Jukes-Cantor model?

1) The Kimura model is used only to study transitions, while the Jukes-Cantor model is used only to study transversions.
2) The Kimura model is a recursive representation of the Jukes-Cantor model.
3) The Kimura model has a better approach than the Jukes-Cantor model, because transitions and transversions receive different probabilities.
4) Both models are used to study different subjects, so there is no reason for comparisons.
5) None of the above

Original idea by: Douglas José Soares Rodrigues
Translation help by: Leandro Tacioli

Friday, March 20, 2015

Multiple Choice Question - 20/Mar/2015

Considering the Local Comparison method to compare two sequences, which of the following statements is FALSE?

1 - It uses the same matrix layout as global comparison
2 - The first row and the first column are initialized with zeros
4 - Empty prefixes always have zero value
4 - a[i,j] accepts negative values
5 - None of the above

Original idea by: Leandro Tacioli 

Friday, March 6, 2015

Multiple Choice Question - 06/Mar/2015

Which of these human cell structures contain genetic material (DNA)?

1 - Nucleus and Mitochondria
2 - Nucleolus and Ribosome
3 - Mitochondria and Chloroplast
4 - Nucleus and Chloroplast
5 - None of the Above

Original idea by: Leandro Tacioli