Q. No.During translation initiation in prokaryotes, a GTP molecule is needed in:
1.
Formation of formyl-met-tRNA
2.
Binding of 30S subunit of the ribosome with mRNA
3.
Association of 30 S-mRNA with formyl met-tRNA
4.
Association of 50 S subunit of the ribosome with the initiation complex
Identify the correct statement:
| 1. | The coding strand in a transcription unit is copied to an mRNA. |
| 2. | Split gene arrangement is characteristic of prokaryotes. |
| 3. | In capping, methylguanosine triphosphate is added to the 3' end of hnRNA. |
| 4. | RNA polymerase binds with the Rho factor to terminate the process of transcription in bacteria. |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
| Statement I: | The codon AUG' codes for methionine and phenylalanine. |
| Statement II: | AAA' and 'AAG are both codons that code for the amino acid lysine. |
In light of the above statements, choose the correct answer from the options given below:
| 1. | Statement I is correct but Statement II is false. |
| 2. | Statement I is incorrect but Statement II is true. |
| 3. | Both Statement I and Statement II are true. |
| 4. | Both Statement I and Statement II are false. |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A cup has bacterial cells. Each bacterial cell divides in 35 minutes. What shall be the number of bacteria after 175 min?
| 1. | \(2 \times 10 ^ 5\) | 2. | \(5 \times 10 ^ 5\) |
| 3. | \(32 \times 10 ^ 5\) | 4. | \(16 \times 10 ^ 5\) |
E.coli has only 4.6 × base pairs and completes the process of replication within 18 minutes, then the average rate of polymerization is approximately:
| 1. | 2000 base pairs/second | 2. | 3000 base pairs/second |
| 3. | 4000 base pairs/second | 4. | 1000 base pairs/second |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The process of transcription and translation can be coupled in:
| 1. | E.coli | 2. | Saccharomyces cerevisiae |
| 3. | Arabidopsis thaliana | 4. | Coenorhabditis elegans |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In translation, the enzyme amino acyl-tRNA synthetase:
| 1. | synthesizes tRNA |
| 2. | attaches amino acids to tRNA |
| 3. | hydrolyzes excess tRNA molecules |
| 4. | helps tRNA synthesize amino acids |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The mRNA codon UGG is the codon for amino acid:
| 1. | Tryptophan | 2. | Phenylalanine |
| 3. | Valine | 4. | Glutamic acid |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The initiation and termination factors required for prokaryotic transcription are respectively denoted as:
| 1. | α and β | 2. | δ and θ |
| 3. | σ and ρ | 4. | Ψ and ɸ |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
After the transfer of E.coli from 15N to 14N medium, the DNA extracted from the medium after 40 minutes will compose of:
| 1. | Only hybrid DNA |
| 2. | Only light DNA |
| 3. | Equal amounts of light and heavy DNA |
| 4. | Equal amounts of light and hybrid DNA |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.