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81
GATE BT 2023 | Question: 6
Which one of the following drugs is NOT an immune checkpoint inhibitor? Ipilimumab Pembrolizumab Nivolumab Trastuzumab
Which one of the following drugs is NOT an immune checkpoint inhibitor?IpilimumabPembrolizumabNivolumabTrastuzumab
0 votes
0 answers
83
GATE BT 2023 | Question: 8
Which one of the following is required for the development of B-cells in the bone marrow? Stromal cells Dendritic cells Kupffer cells NK cells
Which one of the following is required for the development of B-cells in the bone marrow?Stromal cellsDendritic cellsKupffer cellsNK cells
0 votes
0 answers
84
GATE BT 2023 | Question: 9
Which one of the following statements is TRUE about leghemoglobin? It binds oxygen to protect nitrogenase It binds hemoglobin to protect oxygenase It binds oxygen to protect hydrogenase It binds oxygen to protect oxygenase
Which one of the following statements is TRUE about leghemoglobin?It binds oxygen to protect nitrogenaseIt binds hemoglobin to protect oxygenaseIt binds oxygen to protect...
0 votes
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86
GATE BT 2023 | Question: 11
Intracellular proteins are targeted for proteolytic degradation in proteasomes upon conjugation with ubiquitin integrin peptidase calreticulin
Intracellular proteins are targeted for proteolytic degradation in proteasomes upon conjugation with ubiquitinintegrinpeptidasecalreticulin
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87
GATE BT 2023 | Question: 12
In ELISA, which of the following enzymes are conjugated to antibodies for detection of the analyte? P. Alkaline phosphatase Q. Trypsinase R. Horseradish peroxidase S. Amylase $\mathrm{P}$ and $\mathrm{R}$ $\text{P}$ and $\text{Q}$ $\text{Q}$ and $\text{S}$ $\mathrm{R}$ and $\mathrm{S}$
In ELISA, which of the following enzymes are conjugated to antibodies for detection of the analyte?P. Alkaline phosphataseQ. TrypsinaseR. Horseradish peroxidaseS. Amylase...
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88
GATE BT 2023 | Question: 13
In hybridoma technology, which one of the following enzymes is absent in the myeloma cells that are used for monoclonal antibody production? Hypoxanthine-guanine phosphoribosyltransferase Alanine aminotransferase Triose phosphate isomerase Glycosyltransferase
In hybridoma technology, which one of the following enzymes is absent in the myeloma cells that are used for monoclonal antibody production?Hypoxanthine-guanine phosphori...
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89
GATE BT 2023 | Question: 14
Which of the following methods are used for detection of DNA and RNA, respectively? Southern and Northern blotting Southern and Western blotting Northern and Southern blotting Northern and Western blotting
Which of the following methods are used for detection of DNA and RNA, respectively?Southern and Northern blotting Southern and Western blottingNorthern and Southern blott...
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91
GATE BT 2023 | Question: 16
Which one of the following programs is used for finding distantly related (or remote) protein homologs? BLASTN BLASTX PSI-BLAST TBLASTX
Which one of the following programs is used for finding distantly related (or remote) protein homologs?BLASTNBLASTXPSI-BLASTTBLASTX
0 votes
0 answers
92
GATE BT 2023 | Question: 17
Which one of the following is used for global alignment of two protein sequences? Chou-Fasman method Garnier-Osguthorpe-Robson (GOR) method Needleman-Wunsch algorithm Smith-Waterman algorithm
Which one of the following is used for global alignment of two protein sequences?Chou-Fasman methodGarnier-Osguthorpe-Robson (GOR) methodNeedleman-Wunsch algorithmSmith-W...
0 votes
1 answer
93
GATE BT 2023 | Question: 18
Which one of the following methods CANNOT be used to determine the secondary structure content of a protein? Circular dichroism spectroscopy Fourier transform infrared spectroscopy Mass spectrometry X-ray crystallography
Which one of the following methods CANNOT be used to determine the secondary structure content of a protein?Circular dichroism spectroscopyFourier transform infrared spec...
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1 answer
94
GATE BT 2023 | Question: 19
Which one of the following plant growth regulators facilitates adventitious root formation? Auxin Zeatin Dihydrozeatin Kinetin
Which one of the following plant growth regulators facilitates adventitious root formation?AuxinZeatin DihydrozeatinKinetin
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95
GATE BT 2023 | Question: 20
Fabry disease in humans is a X-linked disease. The probability (in percentage) for a phenotypically normal father and a carrier mother to have a son with Fabry disease is _________.
Fabry disease in humans is a X-linked disease. The probability (in percentage) for a phenotypically normal father and a carrier mother to have a son with Fabry disease is...
0 votes
0 answers
96
GATE BT 2023 | Question: 21
The value of $\lim _{x \rightarrow 0}\left[\frac{\cos 2 x-\cos 4 x}{x^{2}}\right]$ is ___________.
The value of $\lim _{x \rightarrow 0}\left[\frac{\cos 2 x-\cos 4 x}{x^{2}}\right]$ is ___________.
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97
GATE BT 2023 | Question: 22
A series $(\mathrm{S})$ is given as $\mathrm{S}=1+3+5+7+9+\ldots \ldots$ The sum of the first $50$ terms of $\mathrm{S}$ is __________.
A series $(\mathrm{S})$ is given as $\mathrm{S}=1+3+5+7+9+\ldots \ldots$The sum of the first $50$ terms of $\mathrm{S}$ is __________.
0 votes
0 answers
98
GATE BT 2023 | Question: 23
Two fair six-sided dice are thrown. The probability of getting $12$ as the product of the numbers on the dice (rounded off to two decimal places) is __________.
Two fair six-sided dice are thrown. The probability of getting $12$ as the product of the numbers on the dice (rounded off to two decimal places) is __________.
–1 votes
0 answers
99
GATE BT 2023 | Question: 24
If $7^{3 x}=216$, the value of $7^{-x}$ (rounded off to three decimal places) is _____________.
If $7^{3 x}=216$, the value of $7^{-x}$ (rounded off to three decimal places) is _____________.
0 votes
0 answers
100
GATE BT 2023 | Question: 25
The distance between the two points of intersection of $x^{2}+y=7$ and $x+y=7$ (rounded off to two decimal places) is ___________.
The distance between the two points of intersection of $x^{2}+y=7$ and $x+y=7$ (rounded off to two decimal places) is ___________.
0 votes
0 answers
104
GATE BT 2023 | Question: 29
The event(s) that lead(s) to inactivation of tumor suppressor genes in cancer cells is(are) gene amplification promoter methylation loss of heterozygosity histone acetylation
The event(s) that lead(s) to inactivation of tumor suppressor genes in cancer cells is(are)gene amplificationpromoter methylationloss of heterozygosityhistone acetylation...
0 votes
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105
GATE BT 2023 | Question: 30
Methylation of $\mathrm{CpG}$ islands near the promoter of a gene can inhibit transcription by preventing RNA polymerase binding facilitating repressor binding facilitating heterochromatin formation inducing euchromatin formation
Methylation of $\mathrm{CpG}$ islands near the promoter of a gene can inhibit transcription bypreventing RNA polymerase bindingfacilitating repressor bindingfacilitating ...
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106
GATE BT 2023 | Question: 31
Which of the following statement(s) is(are) TRUE about induced pluripotent stem cells? They can self-renew They require specific signals to maintain their stemness They cannot be genetically manipulated They can form organoids in vitro
Which of the following statement(s) is(are) TRUE about induced pluripotent stem cells?They can self-renewThey require specific signals to maintain their stemnessThey cann...
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107
GATE BT 2023 | Question: 32
Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs? They contain quinolone ring(s) They inhibit RNA polymerase They bind to bacterial topoisomerase They bind to $23 S$ rRNA within the $50 \mathrm{~S}$ ribosome subunit
Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs?They contain quinolone ring(s)They inhibit RNA polymeraseThey bind to bacterial topoisomerase...
0 votes
0 answers
108
GATE BT 2023 | Question: 33
Which of the following is(are) plant protoplast fusogenic agent(s)? Sodium nitrate Polyvinyl alcohol Polyethylene glycol Bromoxynil
Which of the following is(are) plant protoplast fusogenic agent(s)?Sodium nitratePolyvinyl alcoholPolyethylene glycolBromoxynil
1 votes
0 answers
109
GATE BT 2023 | Question: 34
Direct DNA transfer method(s) used for plant genetic engineering is(are) microparticle bombardment electroporation polyethylene glycol treatment Agrobacterium-mediated transformation
Direct DNA transfer method(s) used for plant genetic engineering is(are)microparticle bombardmentelectroporationpolyethylene glycol treatmentAgrobacterium-mediated transf...
0 votes
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110
GATE BT 2023 | Question: 35
Which of the following vector(s) is(are) used to clone a DNA fragment of size $220 \mathrm{~kb}$? Bacterial artificial chromosome Yeast artificial chromosome Cosmids $\text{pUC19}$ plasmid
Which of the following vector(s) is(are) used to clone a DNA fragment of size $220 \mathrm{~kb}$?Bacterial artificial chromosomeYeast artificial chromosomeCosmids$\text{p...
0 votes
1 answer
111
GATE BT 2023 | Question: 36
The following reaction represents biomass synthesis from hexadecane ... represents the biomass. The value of respiratory quotient (rounded off to two decimal places) is ___________.
The following reaction represents biomass synthesis from hexadecane$\mathrm{C}_{16} \mathrm{H}_{34}+12.5 \mathrm{O}_2+2.13 \mathrm{NH}_3 \rightarrow 10.6 \mathrm{CH}_{1.6...
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112
GATE BT 2023 | Question: 37
Temperature of a reaction with an activation energy value of $15 \mathrm{kcal} \mathrm{mol}^{-1}$ is increased from $300 \mathrm{~K}$ to $310 \mathrm{~K}$. If the value of the ideal gas constant $(\mathrm{R})$ ... $\left(k_{310} / k_{300}\right)$(rounded off to two decimal places) is _____________.
Temperature of a reaction with an activation energy value of $15 \mathrm{kcal} \mathrm{mol}^{-1}$ is increased from $300 \mathrm{~K}$ to $310 \mathrm{~K}$. If the value o...
0 votes
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116
GATE BT 2023 | Question: 41
If there are three unrooted trees for four protein sequences, the number of rooted trees for the same number of sequences is _______________.
If there are three unrooted trees for four protein sequences, the number of rooted trees for the same number of sequences is _______________.
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117
GATE BT 2023 | Question: 42
The number of different possible ways of forming five intramolecular disulfide bonds with ten cysteine residues of a protein is ______________.
The number of different possible ways of forming five intramolecular disulfide bonds with ten cysteine residues of a protein is ______________.
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120
GATE BT 2023 | Question: 45
DNA sample collected from an unidentified bacterial species $(Y)$ contains $13 \%$ of adenine. The $G+C$ content (in percentage) of $Y$ is ____________.
DNA sample collected from an unidentified bacterial species $(Y)$ contains $13 \%$ of adenine. The $G+C$ content (in percentage) of $Y$ is ____________.
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