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Questions by soujanyareddy13

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81
GATE2020: 1
Protein $P$ becomes functional upon phosphorylation of a serine residue. Replacing this serine with _____________ will result in a phosphomimic mutant of $P$. alanine aspartic acid phenylalanine lysine
Protein $P$ becomes functional upon phosphorylation of a serine residue. Replacing this serine with _____________ will result in a phosphomimic mutant of $P$.alanineaspar...
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82
GATE2020: 2
Ras protein is a trimeric GTPase involved in relaying signal from cell surface to nucleus monomeric GTPase involved in relaying signal from cell surface to nucleus trimeric GTPase involved in regulation of cytoskeleton monomeric GTPase involved in regulation of cytoskeleton
Ras protein is atrimeric GTPase involved in relaying signal from cell surface to nucleusmonomeric GTPase involved in relaying signal from cell surface to nucleustrimeric ...
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84
GATE2020: 4
Which class of antibody is first made by developing $B$ cells inside bone marrow? $IgG$ $IgE$ $IgA$ $IgM$
Which class of antibody is first made by developing $B$ cells inside bone marrow?$IgG$$IgE$$IgA$$IgM$
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86
GATE2020: 6
Vincristine and vinblastine, two commercially important secondary metabolites from $Catharanthus\; roseus$, are examples of alkaloids flavonoids terpenoids steroids
Vincristine and vinblastine, two commercially important secondary metabolites from $Catharanthus\; roseus$, are examples ofalkaloidsflavonoidsterpenoidssteroids
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87
GATE2020: 7
$DNA$ synthesized from an $RNA$ template is called recombinant $DNA$ transcript $T-DNA$ complementary $DNA$
$DNA$ synthesized from an $RNA$ template is calledrecombinant $DNA$transcript$T-DNA$complementary $DNA$
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89
GATE2020: 9
During a positive-negative selection process, transformed animal cells expressing __________________ are killed in presence of ganciclovir in the medium. Pyruvate kinase viral thymidine kinase viral serine/threonine kinase viral tyrosine kinase
During a positive-negative selection process, transformed animal cells expressing __________________ are killed in presence of ganciclovir in the medium.Pyruvate kinasevi...
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90
GATE2020: 10
A vector derived from which one of the following viruses is used for high - frequency genomic integration of a transgene in animal cells? Adenoviru Adeno-associated virus Lentivirus Herpes simplex virus
A vector derived from which one of the following viruses is used for high - frequency genomic integration of a transgene in animal cells?AdenoviruAdeno-associated virusLe...
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92
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$
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93
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}$
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94
GATE2020: 14
Which of the following are energy transducing membranes? Plasma membrane of bacteria Inner membrane of chloroplasts Inner membrane of mitochondria $P$ and $Q$ only $P$ and $R$ only $Q$ and $R$ only $P, Q$ and $R$
Which of the following are energy transducing membranes?Plasma membrane of bacteriaInner membrane of chloroplastsInner membrane of mitochondria$P$ and $Q$ only$P$ and $R$...
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96
GATE2020: 16
A microorganism isolated from a salt-rich (salt concentration $\sim2$ $M$) lake was found to possess diglycerol tetraethers, with polyisoprenoid alcohol side chains, as the major lipid component of its cell membrane. The isolated organism is a planctomycete a cyanobacteria a unicellular amoeba an archaea
A microorganism isolated from a salt-rich (salt concentration $\sim2$ $M$) lake was found to possess diglycerol tetraethers, with polyisoprenoid alcohol side chains, as t...
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97
GATE2020: 17
A function $f$ is as follows: $f(x) = \begin{cases} 15 & \text{if }x<1 \\ cx& \text{if } x\geq 1 \end{cases}$ The function $f$ is a continuous function when $c$ is equal to ____________________ (answer in an integer).
A function $f$ is as follows:$$f(x) = \begin{cases} 15 & \text{if }x<1 \\ cx& \text{if } x\geq 1 \end{cases}$$The function $f$ is a continuous function when $c$ is equal ...
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98
GATE2020: 18
Given that $Z=X^{2}+Y^{2}$, the value of $\dfrac{\partial Z}{\partial X}$ for $X=1$ and $Y=0$ is ________________ (answer is an integer).
Given that $Z=X^{2}+Y^{2}$, the value of $\dfrac{\partial Z}{\partial X}$ for $X=1$ and $Y=0$ is ________________ (answer is an integer).
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101
GATE2019: 1
The Bt toxin gene from $Bacillus\; thuringiensis$ used to generate genetically modified crops is $cry$ $cro$ $cdc$ $cre$
The Bt toxin gene from $Bacillus\; thuringiensis$ used to generate genetically modified crops is$cry$$cro$$cdc$$cre$
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102
GATE2019: 2
Which one of the following is used as a $pH$ indicator in animal cell culture medium ? Acridine orange Phenol red Bromophenol blue Coomassie blue
Which one of the following is used as a $pH$ indicator in animal cell culture medium ?Acridine orange Phenol redBromophenol blueCoomassie blue
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103
GATE2019: 3
Tetracycline inhibits the interaction between $tRNA$ and $mRNA$ translocation of $mRNA$ through ribosome peptidyl transferase activity binding of amino-acyl $tRNA$ to ribosome
Tetracycline inhibits theinteraction between $tRNA$ and $mRNA$translocation of $mRNA$ through ribosomepeptidyl transferase activitybinding of amino-acyl $tRNA$ to ribosom...
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104
GATE2019: 4
Which one of the following is a database of protein sequence motifs? $PROSITE$ $TrEMBL$ $SWISSPROT$ $PDB$
Which one of the following is a database of protein sequence motifs?$PROSITE$$TrEMBL$$SWISSPROT$$PDB$
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105
GATE2019: 5
Which one of the following enzymes is encoded by human immunodeficiency virus $(HIV)$ genome? Reverse transcriptase Phospholipase Phosphatase $ATP$ synthase
Which one of the following enzymes is encoded by human immunodeficiency virus $(HIV)$ genome?Reverse transcriptasePhospholipasePhosphatase$ATP$ synthase
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106
GATE2019: 6
$DNA$ synthesis in eukaryotes occurs during which phase of the mitotic cell cycle? $M$ $G_{1}$ $S$ $G_{10}$
$DNA$ synthesis in eukaryotes occurs during which phase of the mitotic cell cycle?$M$$G_{1}$$S$$G_{10}$
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107
GATE2019: 7
Match the human diseases in $Group\; I$ with the causative agents in $Group\; II$ ... $P-3, Q-2, R-1, S-4$ $P-3, Q-4, R-1, S-2$ $P-4, Q-3, R-1,S-2$
Match the human diseases in $Group\; I$ with the causative agents in $Group\; II$.$$\begin{array}&&\textbf{Group I} & \textbf{Group II} \\ &\text{P. Amoebiasis} & \text{...
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108
GATE2019: 8
Which one of the following techniques can be used to compare the expression of a large number of genes in two biological samples in a single experiment? Polymerase chain reaction $DNA$ microarray Northern hybridization Southern hybridization
Which one of the following techniques can be used to compare the expression of a large number of genes in two biological samples in a single experiment?Polymerase chain r...
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109
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 ...
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110
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
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111
GATE2019: 11
A mutation in a gene that codes for a polypeptide results in a variant polypeptide that lacks the last three amino acids. What type of mutation is this? Synonymous mutation Nonsense mutation Missense mutation Silent mutation
A mutation in a gene that codes for a polypeptide results in a variant polypeptide that lacks the last three amino acids. What type of mutation is this?Synonymous mutatio...
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113
GATE2019: 13
Which of the following are geometric series? $1,\:6,\:11,\:16,\:21,\:26,\:\dots$ $9,\:6,\:3,\:0,\:-3,\:-6,\:\dots$ $1,\:3,\:9,\:27,\:81,\:\dots$ $4,\:-8,\:16,\:-32,\:64,\:\dots$ $P$ and $Q$ only $R$ and $S$ only $Q$ and $S$ only $P, Q$ and $R$ only
Which of the following are geometric series?$1,\:6,\:11,\:16,\:21,\:26,\:\dots$$9,\:6,\:3,\:0,\:-3,\:-6,\:\dots$$1,\:3,\:9,\:27,\:81,\:\dots$$4,\:-8,\:16,\:-32,\:64,\:\do...
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115
GATE2019: 15
Which one of the following can NOT be a limiting substrate if Monod's growth kinetics is applicable? Extracellular carbon source Extracellular nitrogen source Dissolved oxygen Intracellular carbon source
Which one of the following can NOT be a limiting substrate if Monod's growth kinetics is applicable?Extracellular carbon sourceExtracellular nitrogen sourceDissolved oxyg...
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116
GATE2019: 16
Which one of the following is the unit of heat transfer coefficient? $W\:m^{2}K^{-1}$ $W\:m^{-2}K$ $W\:m^{-2}K^{-1}$ $W\:m^{2}K$
Which one of the following is the unit of heat transfer coefficient?$W\:m^{2}K^{-1}$$W\:m^{-2}K$$W\:m^{-2}K^{-1}$$W\:m^{2}K$
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1 answer
117
GATE2019: 17
Which one of the following is catabolized during endogenous metabolism in a batch bacterial cultivation? internal reserves extracellular substrates extracellular products toxic substrates
Which one of the following is catabolized during endogenous metabolism in a batch bacterial cultivation?internal reservesextracellular substratesextracellular productstox...
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118
GATE2019: 18
Which one of the following need NOT be conserved in a biochemical reaction? Total mass Total moles Number of atoms of each element Total energy
Which one of the following need NOT be conserved in a biochemical reaction?Total massTotal molesNumber of atoms of each elementTotal energy
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119
GATE2019: 19
The number of possible rooted trees in a phylogeny of three species is ______.
The number of possible rooted trees in a phylogeny of three species is ______.
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120
GATE2019: 20
Matrix $A=\begin{bmatrix} 0&6 \\ p&0 \end{bmatrix}$ will be skew-symmetric when $p$= ____.
Matrix $A=\begin{bmatrix} 0&6 \\ p&0 \end{bmatrix}$ will be skew-symmetric when $p$= ____.
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