MCQOPTIONS
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MCQOPTIONS
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. |
Cis-acting REP 3 sequence is present in Yeast episomal plasmids. Choose the statement which holds true for it? |
| A. | It is present along with chromosomal centromeric sequence |
| B. | It is the site of action of proteins that help in partitioning |
| C. | It gives less stability to that of YCs |
| D. | The copy number is low than that of YCs |
| Answer» C. It gives less stability to that of YCs | |
| 2. |
Yeast episomal plasmids have the following feature? |
| A. | They contain ARS and CEL both |
| B. | They contain ARS but not CEL |
| C. | They contain CEL but not ARS |
| D. | CEL is necessarily present but ARS may or may not be present |
| Answer» C. They contain CEL but not ARS | |
| 3. |
CEN4 in YCp50 is an example of _______ |
| A. | tetracycline resistant gene |
| B. | ampicillin resistant gene |
| C. | chromosomal centromeric sequence |
| D. | autonomously replicating sequence |
| Answer» D. autonomously replicating sequence | |
| 4. |
Yeast centromeric plasmid (YCp50) contains ampicillin and tetracycline resistant gene. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Loss of SUP4 abolishes canavanine uptake, it is arginine analogue. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
One of the commonly used markers is the URA3 gene. It encodes for ______ biosynthesis. |
| A. | adenine |
| B. | uracil |
| C. | guanine |
| D. | cytosine |
| Answer» C. guanine | |