MCQOPTIONS
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This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Genetic Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Ligation enzymes are used for ligating newly synthesized okazaki fragments. What holds true for okazaki fragments? |
| A. | Okazaki fragments are short fragments of DNA formed on the leading strand |
| B. | Okazaki fragments are large fragments of DNA formed on the lagging strand |
| C. | Okazaki fragments are short fragments of DNA formed on the lagging strand |
| D. | Okazaki fragments are large fragments of DNA formed on the leading strand |
| Answer» D. Okazaki fragments are large fragments of DNA formed on the leading strand | |
| 2. |
Bacteriophage lambda is having a phage recombination system. Following are the characteristics of this system ____________ |
| A. | It is used for inserting phage genome into the bacterium |
| B. | It is used for inserting bacterial genome into the phage |
| C. | The specific site in bacteria is attB and that in phage is attP |
| D. | The specific sites in both of them are called as attP |
| Answer» B. It is used for inserting bacterial genome into the phage | |
| 3. |
Phage based recombination systems are used for ____________ |
| A. | cleaving the molecules at specific sites |
| B. | adding the molecules at specific sites |
| C. | breakage and rejoining the molecules at specific sites |
| D. | breakage at random sites |
| Answer» D. breakage at random sites | |
| 4. |
Mobile genetic elements can be transferred from one DNA portion to another. The enzyme carrying out this is ____________ |
| A. | Ligase |
| B. | Transciptase |
| C. | Transposase |
| D. | Endonuclease |
| Answer» D. Endonuclease | |
| 5. |
E. coli DNA ligase doesn t require a cofactor. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Enzyme commonly used for carrying out ligation reaction is ____________ |
| A. | Transferase |
| B. | Reverse transciptase |
| C. | Ligase |
| D. | DNase |
| Answer» D. DNase | |