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122
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...
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123
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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124
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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125
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...
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126
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
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127
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...
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128
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...
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129
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...
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133
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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134
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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137
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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140
GATE BT 2023 | Question: 48
If $A=\left(\begin{array}{ll}1 & 2 \\ 3 & 5\end{array}\right)$, the value of $\left|A^{4}+3 A^{2}-5 A+6 I\right|$ is _____________.
If $A=\left(\begin{array}{ll}1 & 2 \\ 3 & 5\end{array}\right)$, the value of $\left|A^{4}+3 A^{2}-5 A+6 I\right|$ is _____________.
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141
GATE BT 2023 | Question: 49
If $f(x)=\frac{\sin x+\cos x}{\sin x-\cos x}$, the value of $f^{\prime}(x)$ at $x=0$ is ___________.
If $f(x)=\frac{\sin x+\cos x}{\sin x-\cos x}$, the value of $f^{\prime}(x)$ at $x=0$ is ___________.
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142
GATE BT 2023 | Question: 50
If $f(2)=5$ and $(f(x))(f(x+1))=3$ for all real values of $x$, the value of $f(10)$ is ____________.
If $f(2)=5$ and $(f(x))(f(x+1))=3$ for all real values of $x$, the value of $f(10)$ is ____________.
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146
GATE BT 2023 | Question: 54
A proportional controller is used to control the temperature of an autoclave from $60^{\circ} \mathrm{C}$ to $130^{\circ} \mathrm{C}$. If the proportional band setting of the controller is $25 \%$, the proportional gain value is ___________.
A proportional controller is used to control the temperature of an autoclave from $60^{\circ} \mathrm{C}$ to $130^{\circ} \mathrm{C}$. If the proportional band setting of...
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148
GATE 2022 -BT
The specific growth rate of a mold during exponential phase of its growth in a batch cultivation is 0.15 h−1 . If the cell concentration at 30 h is 33 g L−1 , the cell concentration in g L−1 (rounded off to the nearest integer) at 24 h is ________.
The specific growth rate of a mold during exponential phase of its growth in a batch cultivation is 0.15 h−1 . If the cell concentration at 30 h is 33 g L−1 ,the cell...
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150
GATE BT 2022 | Question: 1
What is the order of the differential equation given below? $\dfrac{d^{2}y}{dx^{2}} – 6x = 3x^{4} – 2x^{3} + 2$ $1$ $2$ $3$ $4$
What is the order of the differential equation given below?$\dfrac{d^{2}y}{dx^{2}} – 6x = 3x^{4} – 2x^{3} + 2$$1$$2$$3$$4$
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151
GATE BT 2022 | Question: 2
If the eigenvalues of a $2 \times 2$ matrix $P$ are $4$ and $2,$ then the eigenvalues of the matrix $P^{-1}$ are $0, 0$ $0.0625, 0.25$ $0.25, 0.5$ $2, 4$
If the eigenvalues of a $2 \times 2$ matrix $P$ are $4$ and $2,$ then the eigenvalues of the matrix $P^{-1}$ are$0, 0$$0.0625, 0.25$$0.25, 0.5$$2, 4$
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153
GATE BT 2022 | Question: 4
Match the media component (Column I) with its role (Column II). ... $\text{P-3, Q-2, R-4, S-1}$ $\text{P-3, Q-4, R-2, S-1}$
Match the media component (Column I) with its role (Column II).$$\begin{array} {ll} \textbf{Column I} & \textbf{Column I} \\ \text{P. Sucrose} & \text{1. Anti-foam agen...
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155
GATE BT 2022 | Question: 7
In binomial nomenclature, the name of a bacterial strain is written with the first letter of __________ word(s) being capitalized. first second neither first and second
In binomial nomenclature, the name of a bacterial strain is written with the first letter of __________ word(s) being capitalized.firstsecondneitherfirst and second
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156
GATE BT 2022 | Question: 8
The type of nucleic acid present in $\lambda$-phage is Double stranded $\text{DNA}$ Single stranded circular $\text{DNA}$ Single stranded $\text{DNA}$ Single stranded $\text{RNA}$
The type of nucleic acid present in $\lambda$-phage isDouble stranded $\text{DNA}$Single stranded circular $\text{DNA}$Single stranded $\text{DNA}$Single stranded $\text{...
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157
GATE BT 2022 | Question: 9
Which of the following statements about reversible enzyme inhibitors are $\text{CORRECT}?$ ... $\text{Q}$ and $\text{R}$ only $\text{P, Q}$ and $\text{R}$
Which of the following statements about reversible enzyme inhibitors are $\text{CORRECT}?$Uncompetitive inhibitors bind only to the enzyme-substrate complexNon-competitiv...
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158
GATE BT 2022 | Question: 10
Match the component of eukaryotic cells (Column I) with its respective function (Column II). ... $\text{P-3, Q-1, R-2, S-4}$ $\text{P-4, Q-3, R-1, S-2}$
Match the component of eukaryotic cells (Column I) with its respective function (Column II).$$\begin{array}{lll} \textbf{Column I} & & \textbf{Column II} \\ \text{P. Lyso...
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160
GATE BT 2022 | Question: 12
Terpenoids are made of _________ units. amino acid carbohydrate isoprene triacylglycerol
Terpenoids are made of _________ units.amino acidcarbohydrateisoprenetriacylglycerol
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