Q.43 Which one of the following statements is true with regard to processing and presentation of protein antigens? (A) In the class II MHC pathway, protein antigens in the cytosol […]
Blog
GATE Biotechnology 2018 Previous Year Papers with Solutions
Unlocking Antibody Structure
Q.42 Which one of the combinations of the following statements is true about antibody structure? P. Limited proteolysis of rabbit IgG with the enzyme pepsin generates two antigen-binding regions (Fab) […]
![Q.41 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] Assertion: The association constant in water for the G-C base pair is three times lower than that for the A-T base pair. Reason: There are three hydrogen bonds in the G-C base pair and two in the A-T base pair. (A) Both [a] and [r] are true and [r] is the correct reason for [a] (B) [a] is false but [r] is true (C) Both [a] and [r] are false (D) Both [a] and [r] are true and [r] is not the correct reason for [a]](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_41-12.png)
GATE Biotechnology 2018 Previous Year Papers with Solutions
G-C vs A-T Base Pair Stability
Q.41 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] Assertion: The association constant in water for the G-C base pair is three times lower […]
GATE Biotechnology 2018 Previous Year Papers with Solutions
Which Amino Acid Do Activated Macrophages Use ?
Q.40 Which one of the following amino acids is catalyzed by activated macrophages to produce reactive nitrogen species? (A) Arginine (B) Asparagine (C) Cysteine (D) Histidine Activated macrophages catalyze arginine […]
![Q.39 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] Assertion: Ab initio gene finding algorithms that predict protein coding genes in eukaryotic genomes are not completely accurate. Reason: Eukaryotic splice sites are difficult to predict. (A) Both [a] and [r] are false (B) [a] is true but [r] is false (C) Both [a] and [r] are true and [r] is the correct reason for [a] (D) Both [a] and [r] are true but [r] is not the correct reason for [a]](https://www.letstalkacademy.com/wp-content/uploads/2026/01/slide_39-12.png)
GATE Biotechnology 2018 Previous Year Papers with Solutions
Ab Initio Gene Prediction Accuracy in Eukaryotes
Q.39 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] Assertion: Ab initio gene finding algorithms that predict protein coding genes in eukaryotic genomes are […]
GATE Biotechnology 2018 Previous Year Papers with Solutions
RNA Classes Matching
Q.38 Match the classes of RNA molecules in Group I with their functions in Group II. Group I […]
GATE Biotechnology 2018 Previous Year Papers with Solutions
Which Cytokines Act as Endogenous Pyrogens?
Q.37 Which of the following cytokines are endogenous pyrogens? P. Tumor necrosis factor-α Q. Interleukin-1 R. Transforming growth factor-β S. Interleukin-10 (A) P and Q only (B) P and R […]
GATE Biotechnology 2018 Previous Year Papers with Solutions
Legume-Rhizobium Symbiosis
Q.36 In leguminous plants, both the rhizobium genes and the plant genes influence nodulation and nitrogen fixation. Which one of the following functions is NOT encoded by the host plant […]
GATE Biotechnology 2018 Previous Year Papers with Solutions
Average DNA Fragment Length
Q.35 Genomic DNA isolated from a bacterium was digested with a restriction enzyme that recognizes a 6-base pair (bp) sequence. Assuming random distribution of bases, the average length (in bp) […]
GATE Biotechnology 2018 Previous Year Papers with Solutions
Single Stem Cell 10 Asymmetric Divisions
Q.34 A single stem cell undergoes 10 asymmetric cell divisions. The number of stem cells at the end is ________ Single Stem Cell 10 Asymmetric Divisions: Stem Cell Count Explained […]
