MCQOPTIONS
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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The higher the E value, the more significant the alignment between a pair of matching sequences. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
The ________ are _______ by genetic structure to retroviruses. |
| A. | STR retrotransposons, related |
| B. | LTR retrotransposons, related |
| C. | STR transposons, related |
| D. | LTR retrotransposons, not related |
| Answer» C. STR transposons, related | |
| 3. |
Yeast is about ______ compact than E. coli. |
| A. | fivefold, less |
| B. | threefold, more |
| C. | twofold, less |
| D. | twofold, more |
| Answer» D. twofold, more | |
| 4. |
_______ of the Drosophila sequence is composed of TEs and _____ is heterochromatic regions that do not include genes. |
| A. | one-fourth, one-third |
| B. | one-fifth, one-fourth |
| C. | one-sixth, one-eighth |
| D. | one-sixth, one-third |
| Answer» E. | |
| 5. |
In Metabolic pathways and regulation, as genes are identified in a new genome sequence, some will be found that are known to act sequentially in a metabolic pathway or to have a known role in gene regulation in other organisms. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
In Protein 2D gel Electrophoresis, Individual proteins produced by the genome can be separated to _____ by this method and specific ones identified by various _______ |
| A. | smaller extent, biochemical and immunological tests |
| B. | a large extent, biochemical and immunological tests |
| C. | a large extent, biochemical tests only |
| D. | smaller extent, purely mechanical tests |
| Answer» C. a large extent, biochemical tests only | |
| 7. |
In Proteolysis and fragment sequencing, Protein spots may be excised from a two-dimensional protein gel and subjected to a combination of amino acid sequencing and cleavage analyses using the techniques of mass spectrometry and high-pressure liquid chromatography. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
WU-BLAST produces P scores and BLAST (NCBI) produces E scores where _________ |
| A. | E = ln (1 + P<sup>2</sup>) |
| B. | E = ln (1 P<sup>2</sup>) |
| C. | E = ln (1 + P) |
| D. | E = ln (1 P) |
| Answer» E. | |
| 9. |
In the program COGNITOR each protein in the proteome is used as a query of a database of protein clusters. |
| A. | True |
| B. | False |
| Answer» B. False | |