MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Repressor molecules bind to __________ |
| A. | Operator |
| B. | Promoter |
| C. | Enhancer |
| D. | Hormone response element |
| Answer» B. Promoter | |
| 2. |
What is a DNA library? |
| A. | A DNA fragment inserted into a vector |
| B. | A general collection of all genes sequenced thus far |
| C. | All DNA fragments identified with a probe |
| D. | A collection of DNA fragments that make up the entire genome of a particular organism |
| Answer» E. | |
| 3. |
E.cor1 is a __________ |
| A. | DNA ligase enzyme |
| B. | Restriction endonuclease |
| C. | A vector used for insulin synthesis |
| D. | A plasmid used as a vector |
| Answer» C. A vector used for insulin synthesis | |
| 4. |
The extra chromosomal, self-replicating, closed, double stranded and circular DNA molecule is generally termed as __________ |
| A. | Chromosome |
| B. | Plasmid |
| C. | Genomic DNA |
| D. | Bacteriophage |
| Answer» C. Genomic DNA | |
| 5. |
Which of the following enzymes combined action leads to the generation of sticky ends in the plasmid vector? |
| A. | Alkaline phosphatase and terminal transferase |
| B. | Exonuclease III and alkaline phosphatase |
| C. | Bacteriophage lambda exonuclease and terminal transferase |
| D. | Exonuclease III and terminal transferase |
| Answer» D. Exonuclease III and terminal transferase | |