MCQOPTIONS
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MCQOPTIONS
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. |
_______ is an interactive program for generating sequence logos. |
| A. | EMBOSS |
| B. | WebLogo |
| C. | LOGOLY |
| D. | BLAST |
| Answer» C. LOGOLY | |
| 2. |
Conserved positions have _____ residues and bigger symbols. |
| A. | fewer |
| B. | more |
| C. | maximum |
| D. | minimum |
| Answer» B. more | |
| 3. |
The overall height of a logo position reflects how conserved the position is, and the _____ of each letter in a position reflects the _______ of the residue in the alignment. |
| A. | height, relative frequency |
| B. | width, relative frequency |
| C. | height, amplitude |
| D. | width, amplitude |
| Answer» B. width, relative frequency | |
| 4. |
A multiple sequence alignment or a motif is often represented by a graphic representation called a ______ |
| A. | logo |
| B. | motto |
| C. | algorithm |
| D. | algo |
| Answer» B. motto | |
| 5. |
Which of the following is true about Expectation Maximization (EM) method? |
| A. | The log odds scores of the PSSM are modified at the end of the process |
| B. | The procedure stops prematurely if the scores reach convergence |
| C. | The final result is not sensitive to the initial alignment |
| D. | Local optimum is an advantage of EM method |
| Answer» C. The final result is not sensitive to the initial alignment | |
| 6. |
For what type of sequences Gibbs sampling is used? |
| A. | Closely related sequences |
| B. | Distinctly related sequences |
| C. | Distinctly related sequences that share common motifs |
| D. | Closely related sequences that share common motifs |
| Answer» D. Closely related sequences that share common motifs | |