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801
GATE2019: 36
Which one of the following covalent linkages exists between $7$-Methyl guanosine $(m^{7}G)$ and $mRNAs$? ${2}'-{3}'$ triphosphate ${3}'-{5}'$ triphosphate ${5}'-{5}'$ triphosphate ${2}'-{5}'$ triphosphate
Which one of the following covalent linkages exists between $7$-Methyl guanosine $(m^{7}G)$ and $mRNAs$?${2}'-{3}'$ triphosphate${3}'-{5}'$ triphosphate${5}'-{5}'$ tripho...
soujanyareddy13
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soujanyareddy13
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Nov 3, 2020
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802
GATE2019: 44
Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$ Assertion $[a]$ : It is possible to regenerate a whole plant from a single plant cell. Reason $[r]$ : It is easier to introduce transgenes in to plants than animals. Both $[a]$ and $[r]$ ... $[a]$ Both $[a]$ and $[r]$ are false $[a]$ is true but $[r]$ is false
Determine the correctness or otherwise of the following Assertion $[a]$ and the Reason $[r]$Assertion $[a]$ : It is possible to regenerate a whole plant from a single pla...
soujanyareddy13
2.7k
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soujanyareddy13
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Nov 3, 2020
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803
GATE2019: 48
The molecular mass of a protein is $22\:kDa$. The size of the $\text{cDNA}$ (excluding the untranslated regions) that codes for this protein is __________ $kb$ (rounded off to $1$ decimal place).
The molecular mass of a protein is $22\:kDa$. The size of the $\text{cDNA}$ (excluding the untranslated regions) that codes for this protein is __________ $kb$ (rounded o...
soujanyareddy13
2.7k
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soujanyareddy13
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Nov 3, 2020
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gate2019
numerical-answers
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804
GATE2020: 12
Which of the following types of molecules act as biological catalysts? Protein $RNA$ Phospholipid $P$ and $Q$ only $P$ and $R$ only $Q$ and $R$ only $P, Q$ and $R$
Which of the following types of molecules act as biological catalysts?Protein$RNA$Phospholipid$P$ and $Q$ only$P$ and $R$ only $Q$ and $R$ only$P, Q$ and $R$
soujanyareddy13
2.7k
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soujanyareddy13
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805
GATE2019: 9
Which of the following processes can increase genetic diversity of bacteria in nature? Conjugation Transformation Transduction Transfection $P$ only $P$ and $Q$ only $P, Q$ and $R$ only $P, Q, R$ and $S$
Which of the following processes can increase genetic diversity of bacteria in nature?ConjugationTransformationTransductionTransfection$P$ only$P$ and $Q$ only$P, Q$ and ...
soujanyareddy13
2.7k
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soujanyareddy13
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Nov 3, 2020
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gate2019
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806
GATE2017-31
Match the organisms in $\text{Column I}$ with the characteristics in $\text{Column II}$ ... $\text{P-2, Q-1, R-4, S-3}$ $\text{P-4, Q-1, R-2, S-3}$
Match the organisms in $\text{Column I}$ with the characteristics in $\text{Column II}$:$\begin{array}{|l|l|l|l|} \hline & \textbf{Column I} && \textbf{Column II} \\ \hli...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 26, 2018
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gate2017
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807
GATE BT 2024 | Question: 24
If the rate at which E. coli divides is $0.5 \mathrm{~h}^{-1}$, then its doubling time is $\_\_\_\_\_\_\_$ $\text{h}$.
If the rate at which E. coli divides is $0.5 \mathrm{~h}^{-1}$, then its doubling time is $\_\_\_\_\_\_\_$ $\text{h}$.
admin
2.7k
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admin
asked
Mar 25
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808
GATE BT 2024 | Question: 33
The evolution of wings in bats and insects is an example of $\_\_\_\_\_\_\_$ evolution. convergent divergent neutral parallel
The evolution of wings in bats and insects is an example of $\_\_\_\_\_\_\_$ evolution.convergentdivergentneutralparallel
admin
2.7k
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admin
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Mar 25
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809
GATE BT 2024 | Question: 48
E. coli is inoculated in a shake flask containing nutrient rich medium. The initial number of viable cells in the medium is $10^2$. After few hours, the number of viable cells is $10^6$. Assuming cell divides by binary fission, the number of generations that have taken place is $\_\_\_\_\_\_\_\_$ (rounded off to the nearest integer).
E. coli is inoculated in a shake flask containing nutrient rich medium. The initial number of viable cells in the medium is $10^2$. After few hours, the number of viable ...
admin
2.7k
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admin
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Mar 25
Others
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810
GATE BT 2024 | Question: 52
If $\vec{v}=\left(\begin{array}{l}2 \\ 2 \\ 2\end{array}\right)$ is an eigenvector of the matrix $\left(\begin{array}{lll}1 & 2 & 3 \\ 1 & 2 & 3 \\ 1 & 2 & 3\end{array}\right)$ corresponding to the non-zero eigenvalue, $\lambda$, then the value of $\lambda$ is $\_\_\_\_\_\_\_\_$.
If $\vec{v}=\left(\begin{array}{l}2 \\ 2 \\ 2\end{array}\right)$ is an eigenvector of the matrix $\left(\begin{array}{lll}1 & 2 & 3 \\ 1 & 2 & 3 \\ 1 & 2 & 3\end{array}\r...
admin
2.7k
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admin
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Mar 25
Others
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811
GATE2019: 29
Which of the following statements are $CORRECT$ when a protein sequence database is searched using the $BLAST$ algorithm? A larger E-value indicates higher sequence similarity E-value $<10^{-10}$ indicates sequence homology A higher BLAST score indicates higher sequence similarity E-value $>10^{10}$ ... $P, Q$ and $R$ only $Q$ and $R$ only $P, R$ and $S$ only $P$ and $S$ only
Which of the following statements are $CORRECT$ when a protein sequence database is searched using the $BLAST$ algorithm?A larger E-value indicates higher sequence simila...
soujanyareddy13
2.7k
points
soujanyareddy13
asked
Nov 3, 2020
Others
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812
GATE2020: 13
Which one of the following media components is used to maintain $pH$ in mammalian cell culture? $CaCl_{2}$ $MgSO_{4}$ $NaCl$ $NaHCO_{3}$
Which one of the following media components is used to maintain $pH$ in mammalian cell culture?$CaCl_{2}$$MgSO_{4}$$NaCl$$NaHCO_{3}$
soujanyareddy13
2.7k
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soujanyareddy13
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Nov 3, 2020
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813
GATE2019: 10
Which one of the following is $NOT$ a part of the human nonspecific defense system? Interferon Mucous Saliva Antibody
Which one of the following is $NOT$ a part of the human nonspecific defense system?InterferonMucousSalivaAntibody
soujanyareddy13
2.7k
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soujanyareddy13
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Nov 3, 2020
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814
GATE2017-24
A bacterium has a genome of size $6$ million base pairs. If the average rate of DNA synthesis is $1000$ base pairs/second, the time taken (in minutes) for replication of the genome will be ________.
A bacterium has a genome of size $6$ million base pairs. If the average rate of DNA synthesis is $1000$ base pairs/second, the time taken (in minutes) for replication of ...
Milicevic3306
7.9k
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Milicevic3306
asked
Mar 26, 2018
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gate2017
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815
GATE2017-32
Which one of the following amino acids has three ionizable groups? Glycine Leucine Valine Lysine
Which one of the following amino acids has three ionizable groups?GlycineLeucineValineLysine
Milicevic3306
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Milicevic3306
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Mar 26, 2018
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gate2017
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816
GATE2014-32
Cholera toxin increases $cAMP$ levels by modifying $G_i$ protein modifying $G_s$ protein binding to adenylate cyclase activating $cAMP$ phosphodiesterase
Cholera toxin increases $cAMP$ levels bymodifying $G_i$ proteinmodifying $G_s$ proteinbinding to adenylate cyclaseactivating $cAMP$ phosphodiesterase
Milicevic3306
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Milicevic3306
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Mar 25, 2018
Others
gate2014
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817
GATE2014-45
Match the items in $\text{Group I}$ with $\text{Group II}$ ... $\text{P-2, Q-4, R-3, S-1}$ $\text{P-3, Q-1, R-4, S-2}$ $\text{P-2, Q-4, R-1, S-3}$
Match the items in $\text{Group I}$ with $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \text{Group I} & & \text{Group II} \\ \hline P. & \text{Receptor tyrosine kin...
Milicevic3306
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Milicevic3306
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Mar 25, 2018
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818
GATE2012-20
An example of a program for constructing a phylogenetic tree is phylip phrap prodom PHDsec
An example of a program for constructing a phylogenetic tree isphylipphrapprodomPHDsec
Milicevic3306
7.9k
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Milicevic3306
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Mar 25, 2018
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gate2012
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819
GATE BT 2024 | Question: 19
The value of the series $1+\sin x+\cos ^{2} x+\sin ^{3} x+\cdots$ at $x=\frac{\pi}{4}$ is $\_\_\_\_\_\_\_$. $\frac{1}{\sqrt{2}+1}$ $\frac{\sqrt{2}}{\sqrt{2}+1}$ $\frac{1}{\sqrt{2}-1}$ $\frac{\sqrt{2}}{\sqrt{2}-1}$
The value of the series $1+\sin x+\cos ^{2} x+\sin ^{3} x+\cdots$ at $x=\frac{\pi}{4}$ is $\_\_\_\_\_\_\_$.$\frac{1}{\sqrt{2}+1}$$\frac{\sqrt{2}}{\sqrt{2}+1}$$\frac{1}{\s...
admin
2.7k
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admin
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Mar 25
Others
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820
GATE BT 2024 | Question: 43
Under complete cell washout condition in a chemostat with sterile feed, which of the following statements is/are correct? Biomass concentration in the reactor is maximum Substrate concentration in the exit stream is less than that in the inlet stream ... in the exit stream is equal to that in the inlet stream Substrate concentration in the exit stream is zero
Under complete cell washout condition in a chemostat with sterile feed, which of the following statements is/are correct?Biomass concentration in the reactor is maximumS...
admin
2.7k
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admin
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Mar 25
Others
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821
GATE BT 2024 | Question: 55
The absolute relative error in evaluating the integral $\int_0^1 x^2 d x$ by the trapezoidal rule with the step size $0.25$ is $\%$ $\_\_\_\_\_\_\_\_$ (rounded off to $2$ decimal places).
The absolute relative error in evaluating the integral $\int_0^1 x^2 d x$ by the trapezoidal rule with the step size $0.25$ is $\%$ $\_\_\_\_\_\_\_\_$ (rounded off to $2$...
admin
2.7k
points
admin
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Mar 25
Others
gatebt-2024
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822
GATE2019: 32
$Group\; I$ lists spectroscopic methods and $Group\; II$ lists biomolecular applications of these methods. Match the methods in $Group\; I$ with the applications in $Group\; II$ ... $P-4, Q-3, R-1$ $P-2, Q-1, R-3$ $P-1, Q-2, R-4$ $P-3, Q-2, R-4$
$Group\; I$ lists spectroscopic methods and $Group\; II$ lists biomolecular applications of these methods. Match the methods in $Group\; I$ with the applications in $Grou...
soujanyareddy13
2.7k
points
soujanyareddy13
asked
Nov 3, 2020
Others
gate2019
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823
GATE2017-20
A polymerase chain reaction (PCR) was set up with the following reagents: DNA template, Taq polymerase, buffer, dNTPs, and Mg$^{2+}$. Which one of the following is missing in the reaction mixture? Helicase Single-stranded binding proteins Primers Reverse transciptase
A polymerase chain reaction (PCR) was set up with the following reagents: DNA template, Taq polymerase, buffer, dNTPs, and Mg$^{2+}$. Which one of the following is missin...
Milicevic3306
7.9k
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Milicevic3306
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Mar 26, 2018
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gate2017
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824
GATE2017-34
The concentration (in micromolar) of NADH in a solution with $A_{340}=0.50$ is _________ Given data: Path length $=1$ cm; Molar extinction coefficient of NADH $\varepsilon_{340}= 6220 M^{-1}cm^{-1}$
The concentration (in micromolar) of NADH in a solution with $A_{340}=0.50$ is _________Given data: Path length $=1$ cm; Molar extinction coefficient of NADH $\varepsilon...
Milicevic3306
7.9k
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Milicevic3306
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Mar 26, 2018
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gate2017
numerical-answers
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825
GATE2017-55
Which of the following conditions promote the development of human autoimmune disorders? Inability to eliminate self-reactive lymphocytes Generation of auto-antibodies Ability to eliminate self-reactive T-cells Induction of regulatory T-cells in the thymus P,R Q,S P,Q R,S
Which of the following conditions promote the development of human autoimmune disorders?Inability to eliminate self-reactive lymphocytesGeneration of auto-antibodiesAbili...
Milicevic3306
7.9k
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Milicevic3306
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Mar 26, 2018
Others
gate2017
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826
GATE BT 2024 | Question: 14
An element that is present in a nucleotide but not in a nucleoside is $\_\_\_\_\_\_\_$ carbon nitrogen oxygen phosphorous
An element that is present in a nucleotide but not in a nucleoside is $\_\_\_\_\_\_\_$carbonnitrogenoxygenphosphorous
admin
2.7k
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admin
asked
Mar 25
Others
gatebt-2024
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827
GATE BT 2024 | Question: 45
Aspergillus niger is grown in a $10,000$ ... concentration is $\_\_\_\_\_\_\_$ $\mathrm{kg} \mathrm{m}^{-3}$ (Answer in integer).
Aspergillus niger is grown in a $10,000$ L stirred batch bioreactor under aerated conditions to produce citric acid. At steady state oxygen transfer conditions, the speci...
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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828
GATE BT 2024 | Question: 47
The free energy change of ATP hydrolysis at $25^{\circ} \mathrm{C}$ is $-32.2 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The free energy change for hydrolysis of $\alpha$-glycerophosphate to glycerol is $-8.2 \mathrm{~kJ} \mathrm{~mol}^{-1}$ ... $\_\_\_\_\_\_\_\_$ $\mathrm{kJ} \mathrm{mol}^{-1}$ (Answer in integer).
The free energy change of ATP hydrolysis at $25^{\circ} \mathrm{C}$ is $-32.2 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The free energy change for hydrolysis of $\alpha$-glycerop...
admin
2.7k
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admin
asked
Mar 25
Others
gatebt-2024
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829
GATE BT 2024 | Question: 50
A fed batch process is running at quasi-steady state with respect to substrate and biomass concentration. At $2 \mathrm{~h}$, the culture volume is $500 \mathrm{~L}$ with a constant sterile inlet feed at $50 \mathrm{~L} \mathrm{~h}^{-1}$ of glucose. The culture kinetic ... reactor will be $\_\_\_\_\_\_\_\_$ $\mathrm{g} \mathrm{L}^{-1}$ (rounded off to one decimal place).
A fed batch process is running at quasi-steady state with respect to substrate and biomass concentration. At $2 \mathrm{~h}$, the culture volume is $500 \mathrm{~L}$ with...
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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830
GATE2017-45
A pedigree of an inheritable disease is shown below. This inheritable disease is $X$-linked dominant $X$-linked recessive or Y-linked only $Y$-linked only $X$-linked recessive
A pedigree of an inheritable disease is shown below.This inheritable disease is$X$-linked dominant$X$-linked recessive or Y-linkedonly $Y$-linkedonly $X$-linked recessive...
Milicevic3306
7.9k
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Milicevic3306
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Mar 26, 2018
Others
gate2017
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831
GATE2015-30
In DNA sequencing reactions using the chain termination method, the ratio of ddNTPs to dNTPs should be $0$ $< 1$ $1$ $>1$
In DNA sequencing reactions using the chain termination method, the ratio of ddNTPs to dNTPs should be$0$$< 1$$1$$>1$
Milicevic3306
7.9k
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Milicevic3306
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Mar 26, 2018
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832
GATE2015-48
$\textit{Saccharomyces cerevisiae}$ produces ethanol by fermentation. The theoretical yield of ethanol from $2.5$ g of glucose is _________ g.
$\textit{Saccharomyces cerevisiae}$ produces ethanol by fermentation. The theoretical yield of ethanol from $2.5$ g of glucose is _________ g.
Milicevic3306
7.9k
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Milicevic3306
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Mar 26, 2018
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gate2015
numerical-answers
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833
GATE BT 2024 | GA Question: 1
If ' $\rightarrow$ ' denotes increasing order of intensity, then the meaning of the words $[$ dry $\rightarrow$ arid $\rightarrow$ parched] is analogous to [diet $\rightarrow$ fast $\rightarrow \_\_\_\_\_\_$ ]. Which one of the given options is appropriate to fill the blank? starve reject feast deny
If ' $\rightarrow$ ' denotes increasing order of intensity, then the meaning of the words $[$ dry $\rightarrow$ arid $\rightarrow$ parched] is analogous to [diet $\righta...
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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834
GATE BT 2024 | Question: 37
Which of the following is/are considered as biotic elicitor(s) in plant cell culture? Cellulase Chitin Chitosan Mercuric chloride
Which of the following is/are considered as biotic elicitor(s) in plant cell culture?CellulaseChitinChitosanMercuric chloride
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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835
GATE BT 2024 | Question: 34
Which of the following statements is/are correct about an uncompetitive inhibitor of an enzyme? It binds to the substrate binding site of the enzyme only It binds to the enzyme-substrate complex only It reduces the $\mathrm{V}_{\max }$ of the enzyme It binds to both free enzyme and enzyme-substrate complex
Which of the following statements is/are correct about an uncompetitive inhibitor of an enzyme?It binds to the substrate binding site of the enzyme onlyIt binds to the en...
admin
2.7k
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admin
asked
Mar 25
Others
gatebt-2024
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836
GATE BT 2024 | Question: 36
Which of the following features help(s) in distinguishing alleles using restriction fragment length polymorphism (RFLP)? Differences in the number of recognition sites for a given restriction enzyme Differences in the ability of alleles to undergo recombination Differences in the ability of alleles to undergo segregation Differences in the number of tandem repeats
Which of the following features help(s) in distinguishing alleles using restriction fragment length polymorphism (RFLP)?Differences in the number of recognition sites for...
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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837
GATE BT 2024 | Question: 29
Match the item (Column I) with its corresponding use (Column II). \begin{array}{|c|c|c|} \hline \text{Column I} & \text{Column II} \\ \hline \text{P. Glutamine} & 1. \text{Detachment of adherent cells} \\ \hline \text{Q. Trypsin} & 2. \text{Selection of transfected mammalian cell ... $\text{P-2; Q-3; R-1; S-4}$ $\text{P-3; Q-1; R-4; S-2}$
Match the item (Column I) with its corresponding use (Column II).\begin{array}{|c|c|c|}\hline \text{Column I} & \text{Column II} \\\hline \text{P. Glutamine} & 1. \text{D...
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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838
GATE BT 2024 | GA Question: 8
The pie chart presents the percentage contribution of different macronutrients to a typical $2,000$ $\mathrm{kcal}$ diet of a person. The typical energy density $(\mathrm{kcal} / \mathrm{g})$ of these macronutrients is given in the table. \begin{array}{|l|c|} \ ... {array} The total fat (all three types), in grams, this person consumes is $44.4$ $77.8$ $100$ $3,600$
The pie chart presents the percentage contribution of different macronutrients to a typical $2,000$ $\mathrm{kcal}$ diet of a person.The typical energy density $(\mathrm{...
admin
2.7k
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admin
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Mar 25
Others
gatebt-2024
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839
GATE BT 2024 | GA Question: 7
A rectangular paper sheet of dimensions $54 \mathrm{~cm} \times 4 \mathrm{~cm}$ is taken. The two longer edges of the sheet are joined together to create a cylindrical tube. A cube whose surface area is equal to the area of the sheet is also taken. Then, the ratio of the volume of the cylindrical tube to the volume of the cube is $1 / \pi$ $2 / \pi$ $3 / \pi$ $4 / \pi$
A rectangular paper sheet of dimensions $54 \mathrm{~cm} \times 4 \mathrm{~cm}$ is taken. The two longer edges of the sheet are joined together to create a cylindrical tu...
admin
2.7k
points
admin
asked
Mar 25
Others
gatebt-2024
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840
GATE BT 2024 | Question: 38
Under which of the following conditions, a mammalian somatic cell fails to undergo mitosis during cell cycle? Initiation of cell plate formation Incomplete DNA replication Chiasmata formation Irreparable DNA damage
Under which of the following conditions, a mammalian somatic cell fails to undergo mitosis during cell cycle?Initiation of cell plate formationIncomplete DNA replicationC...
admin
2.7k
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admin
asked
Mar 25
Others
gatebt-2024
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