MCQOPTIONS
Saved Bookmarks
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. |
Z-score describes the number of standard deviations from the mean score for the database search. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
FASTA doesn t use bit scores. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
FASTX, which compares a protein query sequence to a translated DNA database. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The positional difference for each word between the two sequences is obtained by ________ the position of the ______ sequence from that of the _______ sequence and is expressed as the offset. |
| A. | subtracting, second, first |
| B. | adding, second, first |
| C. | adding, first, second |
| D. | subtracting, first, second |
| Answer» E. | |
| 5. |
The first step in FASTA alignment id to arrange the sequences in matrices rows and columns in order to be analyzed. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following is not correct about FASTA? |
| A. | Its stands for FAST ALL |
| B. | It was in fact the first database similarity search tool developed, preceding the development of BLAST |
| C. | FASTA uses a hashing strategy to find matches for a short stretch of identical residues with a length of k |
| D. | The string of residues is known as blocks |
| Answer» E. | |