Which one of the following is wrongly matched?
1. | Transcription- Writing information from DNA to t-RNA |
2. | Translation- Using the information in m-RNA to make protein |
3. | Repressor protein- Binds to an operator to stop enzyme synthesis |
4. | Operon- Structural genes, operator, and promoter |
Transformation was discovered by:
1. Meseson and Stahl
2. Hershey and Chase
3. Griffith
4. Waston and crick
The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C.
1. A - translation B - transcription C - Erwin Chargaff
2. A -transcription B - translation C - Francis Crick
3. A - translation B - extension C - Rosalind Franklin
4. A - transcription B - replication C - James Watson
Select the correct option:
Direction of RNA synthesis |
Direction of reading of the template DNA strand |
|
1. | 5'-3' | 3' - 5' |
2. | 3'-5' | 5' - 3' |
3. | 5' - 3' | 5' - 3' |
4. | 3' - 5' | 3' - 5' |
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
Commonly used vectors for human genome sequencing are:
1. | T-DNA | 2. | BAC and YAC |
3. | Expression Vectors | 4. | T/A cloning Vectors |
Which enzyme(s) will be produced in a cell in which there is a non-sense mutation in the lac Y gene?
1. | Lactose permease |
2. | Transacetylase |
3. | Lactose permease and transacetylase |
4. | β - galactosidase |
Removal of RNA polymerase III from nucleoplasm will affect the synthesis of:
1. tRNA
2. hnRNA
3. mRNA
4. rRNA
PCR and Restriction Fragment Length Polymorphism are the methods for:
1. Study of enzymes
2. Genetic transformation
3. DNA sequencing
4. Genetic fingerprinting
Which one of the following is not part of a transcription unit in DNA?
1. The inducer
2. A Terminator
3. A promoter
4. The structural gene
If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence?
1. TTAGU
2. UAGAC
3. AACTG
4. ATCGU