Gene Expression and Regulation — DU B. Sc. (Hons) Biochemistry Previous Year Question Papers
- Programme
- B. Sc. (Hons) Biochemistry
- Paper type
- DSC
- Paper code
- 2492013503
- Exam years
- 2022–2022
Gene Expression and Regulation is a DSC paper in Semester V of B. Sc. (Hons) Biochemistry at Delhi University (paper code 2492013503). 1 previous year question paper from 2022 are listed below; view or download each original PDF.
2022 question papers
2022
2492013503B. Sc. (Hons) Biochemistry
What was asked in the 2023 Gene Expression and Regulation paper?
Text of the DU question paper (UPC 2492013503), so you can see what gets asked before opening a PDF.
There are eight questions.
1. (a) Explain the following :
(i) In prokaryotes the ribosome is able to differentiate between internal and initiator methionine.
(il) The eukaryotic mRNAs are more stable than prokaryotic mRNAs.
(ili) Peptide bond formation takes place without 3. (a) Give the mode of action of the following:
ATP hydrolysis.
(iv) Sigma factor is not associated with the
(v) Genetic code is universal and degenerate. (ill) Rifampicin
(b) Define the following terms :
(il) Abortive initiation (b) Discuss the mechanism of alternate splicing with the help of a suitable example. (10,5)
(ill) Enhancer
(iv) Polyribosome 4. (a) Describe the salient features of a prokaryotic
(v) Operon (10,5) promoter. Compare with the promoter elements of a eukaryotic promoter.
2. (a) Describe the activity of lac operon in each of the (b) Describe how the initiation of translation takes following cases:
place in eukaryotes.
(i) Both lactose and glucose are present
(c) Write the sequence of the coding strand and non-
(it) Glucose is present, lactose is absent coding strand of DNA for the following mRNA
(lil) Both lactose and glucose are absent molecule:
(iv) Lactose is present, glucose is absent S'AAGCUUUAACCCAUUGG3' (6,6,3)
(b) Describe how the enzyme poly A polymerase is 5.
different from RNA polymerase. Differentiate between the following
(c) Explain the role of transcription factors TFID and (a) Group 1 and Group Il self-splicing introns
TFIH in transcription. (8,3,4) (b) Class 1 and Class II aminoacyl-tRNA synthetases
(c) Activator and repressor (5.5.5)
6. (a) Discuss the process of polyadenylation and capping of mRNAs in eukaryotes.
(b) Explain the elongation phase of translation with the help of a diagram.
(c) Explain the regulation of expression of gal genes in yeast. (6,5,4)
7. (a) What are the salient features of genetic code.
(b) Describe the technique used to identify sequences on DNA that binds RNA polymerase.
(c) Explain the autoregulation of ribosomal protein synthesis. (5,5,5)
8. Write short notes on the following (any 3):
(a) DNA binding domains
(b) Assembly of spliceosome
How can I prepare for Gene Expression and Regulation?
Related subjects in B. Sc. (Hons) Biochemistry
Frequently asked questions
- Where can I download the DU Gene Expression and Regulation previous year question paper PDF?
- This page lists 1 Gene Expression and Regulation question paper for B. Sc. (Hons) Biochemistry at Delhi University (2022). Open any paper to view the original PDF or download it. It is free and needs no login.
- Which years of Gene Expression and Regulation question papers are available?
- Gene Expression and Regulation papers are available for 2022.
- What is the paper code (UPC) of Gene Expression and Regulation?
- The Unique Paper Code for Gene Expression and Regulation in B. Sc. (Hons) Biochemistry is 2492013503.
- Which semester is Gene Expression and Regulation taught in?
- Gene Expression and Regulation is a DSC paper in Semester V of B. Sc. (Hons) Biochemistry, according to DU's published scheme.