MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is incorrect about Retrieving a Specific Sequence? |
| A. | It can be difficult to retrieve the sequence of a specific gene or protein simply because of the sheer number of sequences in the Gen-Bank database and the complex problem of indexing them |
| B. | Other projects may benefit from the availability of better curated and annotated protein sequence databases, but not PIR and SwissProt |
| C. | For projects that require the most currently available sequences, the NR databases should be searched |
| D. | The genomic databases can also provide the sequence of a particular gene or protein. Protein sequences in the Genpro database are generated by automatic translation of DNA sequences |
| Answer» C. For projects that require the most currently available sequences, the NR databases should be searched | |
| 2. |
The program returns the number of matches found and provides an opportunity to narrow this list by including more terms. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
For a protein search, which of the following is the wrong choice for fields? |
| A. | Accession (number) |
| B. | E. C. number |
| C. | Issue |
| D. | Journal number |
| Answer» E. | |
| 4. |
Using boolean logic, the search looks for database entries that include the first term __________ the second, and subsequent terms repeated until the last term. |
| A. | AND |
| B. | OR |
| C. | ExOR |
| D. | NAND |
| Answer» B. OR | |
| 5. |
WHICH_OF_THE_FOLLOWING_IS_INCORRECT_ABOUT_ENTREZ??$ |
| A. | There is no simple way to find the correct sequence without manually checking the information provided in each sequence, but this usually takes longer time |
| B. | Before leaving ENTREZ, it is often useful to check for sequence database entries that are similar to the one of interest, called “neighbors” by ENTREZ |
| C. | The expanded query searches other database entries of interest, such as the same protein in another organism, a large chromosomal sequence that includes the gene, or members of the same gene family |
| D. | While visiting the site, note that ENTREZ has been adapted to search through a number of other biological databases, and also through Medline, and these searches are available from the initial ENTREZ Web page |
| Answer» B. Before leaving ENTREZ, it is often useful to check for sequence database entries that are similar to the one of interest, called ‚Äö√Ñ√∂‚àö√ë‚àö‚à´neighbors‚Äö√Ñ√∂‚àö√ë‚àöœÄ by ENTREZ | |
| 6. |
Which_of_the_following_is_incorrect_about_Retrieving_a_Specific_Sequence?$ |
| A. | It can be difficult to retrieve the sequence of a specific gene or protein simply because of the sheer number of sequences in the Gen-Bank database and the complex problem of indexing them |
| B. | Other projects may benefit from the availability of better curated and annotated protein sequence databases, but not PIR and SwissProt |
| C. | For projects that require the most currently available sequences, the NR databases should be searched |
| D. | The genomic databases can also provide the sequence of a particular gene or protein. Protein sequences in the Genpro database are generated by automatic translation of DNA sequences |
| Answer» C. For projects that require the most currently available sequences, the NR databases should be searched | |
| 7. |
The program returns the number of matches found and provides an opportunity to narrow this list by including more terms? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Knowing ________ should be enough to find the required entry quickly. |
| A. | publication date, protein name, journal name |
| B. | accession number, protein name, or name of gene |
| C. | publication date, protein name, or volume |
| D. | properties, protein name, or title word |
| Answer» C. publication date, protein name, or volume | |
| 9. |
The results of searches in separate fields may be combined to narrow down the choices. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
To assist in finding suitable terms, for each field, ENTREZ provides a list of index entries. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Using boolean logic, the search looks for database entries that include the first term ____ the second, and subsequent terms repeated until the last term. |
| A. | AND |
| B. | OR |
| C. | ExOR |
| D. | NAND |
| Answer» B. OR | |
| 12. |
The databases Genbank, EMBL and DDBJ are updated daily. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Which of the following is incorrect about ENTREZ? |
| A. | It is a resource prepared only by the staff of the National Center for Biotechnology Information |
| B. | It provides a series of forms that can be filled out to retrieve a Medline reference related to the molecular biology sequence databases |
| C. | One straightforward way to access the sequence databases is through ENTREZ |
| D. | It provides a series of forms that can be filled out to retrieve a DNA or protein sequence |
| Answer» B. It provides a series of forms that can be filled out to retrieve a Medline reference related to the molecular biology sequence databases | |