1
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1

What are retroviruses?

A

A group of viruses with RNA genome and no reverse transcriptase activity

B

A group of viruses with DNA genome and no reverse transcriptase activity

C

A group of viruses with DNA genome and reverse transcriptase activity

D

A group of viruses with RNA genome and reverse transcriptase activity

2
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
What will be the sequence of RNA synthesized using the following DNA template strand? $5^{\prime}$-GTCTAGGCTTCTC- $3^{\prime}$
A
$5^{\prime}$-GAGAAGCCUAGAC-3'
B
$5^{\prime}$-GUCUAGGCUUCUC- $3^{\prime}$
C
$5^{\prime}$-CAGAUCCGAAGAG-3'
D
$5^{\prime}$-CUCUUCGGAUCUG-3'
3
IAT (IISER) 2023
MCQ (Single Correct Answer)
+4
-1
When the ribosome encounters a stop codon in the mRNA, during translation, which one of the following binds to the stop codon?
A
Rho factor
B
Release factor
C
Sigma factor
D
Termination factor
4
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
Which of the following processes is NOT involved in functionalisation of mRNA (from hnRNA) in eukaryotes?
A
Amino acylation
B
$5^{\prime}$-end capping
C
Polyadenylation
D
Splicing

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