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321
GATE2020: 43
The sequence of a $1$ $Mb$ long $DNA$ is random. This $DNA$ has all four bases occurring in equal proportion. The number of nucleotides, on average, between two successive $EcoRI$ recognition site $GAATTC$ is ____________.
The sequence of a $1$ $Mb$ long $DNA$ is random. This $DNA$ has all four bases occurring in equal proportion. The number of nucleotides, on average, between two successiv...
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324
GATE2020: 46
The system of linear equations $cx+y=5$ $3x+3y=6$ has no solution when $c$ is equal to _______________________.
The system of linear equations$$cx+y=5$$$$3x+3y=6$$has no solution when $c$ is equal to _______________________.
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326
GATE2020: 48
Assume that a cell culture was started with five human fibroblast cells. Two cells did not divide even once whereas the other three cells completed three rounds of cell division. At this stage, the total number of kinetochores in all the cells put together is ___________________.
Assume that a cell culture was started with five human fibroblast cells. Two cells did not divide even once whereas the other three cells completed three rounds of cell d...
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328
GATE2020: 50
A function $f$ is given as : $f(X)=4X-X^{2}$ The function $f$ is maximized when $X$ is equal to _________________.
A function $f$ is given as :$$f(X)=4X-X^{2}$$The function $f$ is maximized when $X$ is equal to _________________.
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329
GATE2020: 51
An infinite series $S$ is given as: $S=1+2/3+3/9+4/27+5/81+\:.\dots$ (to infinity) The value of $S$ is ______________________ (round off to $2$ decimal places).
An infinite series $S$ is given as:$S=1+2/3+3/9+4/27+5/81+\:.\dots$ (to infinity)The value of $S$ is ______________________ (round off to $2$ decimal places).
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334
GATE2020: GA: 1
Rajiv Gandhi Khel Ratna Award was conferred _______ Mary Kom, a six-time world champion in boxing, recently in a ceremony _______ the Rashtrapati Bhawan (the President’s official residence) in New Delhi. with, at on, in on, at to, at
Rajiv Gandhi Khel Ratna Award was conferred _______ Mary Kom, a six-time world champion in boxing, recently in a ceremony _______ the Rashtrapati Bhawan (the President’...
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335
GATE2020: GA: 2
Despite a string of poor performances, the chances of K.L. Rahul’s selection in the team are ________ slim bright obvious uncertain
Despite a string of poor performances, the chances of K.L. Rahul’s selection in the team are ________slimbrightobviousuncertain
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336
GATE2020: GA: 3
Select the word that fits the analogy: $\text{Cover : Uncover :: Associate :}$ _______ Unassociate Inassociate Misassociate Dissociate
Select the word that fits the analogy:$\text{Cover : Uncover :: Associate :}$ _______UnassociateInassociateMisassociateDissociate
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338
GATE2020: GA: 5
The difference between the sum of the first $2n$ natural numbers and the sum of the first $n$ odd natural numbers is ______ $n^2-n$ $n^2+n$ $2n^2-n$ $2n^2+n$
The difference between the sum of the first $2n$ natural numbers and the sum of the first $n$ odd natural numbers is ______$n^2-n$$n^2+n$$2n^2-n$$2n^2+n$
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342
GATE2020: GA: 9
For a matrix $M=[m_{ij}]; \: i,j=1,2,3,4$, the diagonal elements are all zero and $m_{ij}=-m_{ji}$. The minimum number of elements required to fully specify the matrix is ________ $0$ $6$ $12$ $16$
For a matrix $M=[m_{ij}]; \: i,j=1,2,3,4$, the diagonal elements are all zero and $m_{ij}=-m_{ji}$. The minimum number of elements required to fully specify the matrix is...
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344
GATE2020: 1
Protein $P$ becomes functional upon phosphorylation of a serine residue. Replacing this serine with _____________ will result in a phosphomimic mutant of $P$. alanine aspartic acid phenylalanine lysine
Protein $P$ becomes functional upon phosphorylation of a serine residue. Replacing this serine with _____________ will result in a phosphomimic mutant of $P$.alanineaspar...
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345
GATE2020: 2
Ras protein is a trimeric GTPase involved in relaying signal from cell surface to nucleus monomeric GTPase involved in relaying signal from cell surface to nucleus trimeric GTPase involved in regulation of cytoskeleton monomeric GTPase involved in regulation of cytoskeleton
Ras protein is atrimeric GTPase involved in relaying signal from cell surface to nucleusmonomeric GTPase involved in relaying signal from cell surface to nucleustrimeric ...
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347
GATE2020: 4
Which class of antibody is first made by developing $B$ cells inside bone marrow? $IgG$ $IgE$ $IgA$ $IgM$
Which class of antibody is first made by developing $B$ cells inside bone marrow?$IgG$$IgE$$IgA$$IgM$
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349
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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350
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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352
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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353
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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355
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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356
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$$NaHCO_{3}$
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357
GATE2020: 14
Which of the following are energy transducing membranes? Plasma membrane of bacteria Inner membrane of chloroplasts Inner membrane of mitochondria $P$ and $Q$ only $P$ and $R$ only $Q$ and $R$ only $P, Q$ and $R$
Which of the following are energy transducing membranes?Plasma membrane of bacteriaInner membrane of chloroplastsInner membrane of mitochondria$P$ and $Q$ only$P$ and $R$...
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360
GATE2020: 17
A function $f$ is as follows: $f(x) = \begin{cases} 15 & \text{if }x<1 \\ cx& \text{if } x\geq 1 \end{cases}$ The function $f$ is a continuous function when $c$ is equal to ____________________ (answer in an integer).
A function $f$ is as follows:$$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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