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761
GATE2012-23
In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen with ferrous ammonium sulfate uranium acetate sodium chloride basic fuchsin
In transmission electron microscopy, electron opacity is greatly enhanced by treating the specimen withferrous ammonium sulfateuranium acetatesodium chloridebasic fuchsin...
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762
GATE2012-22
While searching a database for similar sequences, E value does NOT depend on the sequence length number of sequences in the database scoring system probability from a normal distribution
While searching a database for similar sequences, E value does NOT depend on thesequence lengthnumber of sequences in the databasescoring systemprobability from a normal ...
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763
GATE2012-21
Synteny refers to gene duplication from a common ancestor a tree representation of related sequences the extent of similarity between two sequences local conservation of gene order
Synteny refers togene duplication from a common ancestora tree representation of related sequencesthe extent of similarity between two sequenceslocal conservation of gene...
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764
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
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765
GATE2012-19
An example of a derived protein structure database is Pfam SCOP GEO Prosite
An example of a derived protein structure database isPfamSCOPGEOProsite
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766
GATE2012-18
Identify the statement that is NOT applicable to an enzyme catalyzed reaction. Enzyme catalysis involves propinquity effects The binding of substrate to the active site causes a strain in the substrate Enzymes do not accelerate the rate of reverse reaction Enzyme catalysis involves acid-base chemistry
Identify the statement that is NOT applicable to an enzyme catalyzed reaction.Enzyme catalysis involves propinquity effectsThe binding of substrate to the active site cau...
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767
GATE2012-17
The activity of an enzyme is expressed in International Units (IU). However, the S.I unit for enzyme activity is Katal. One Katal is $1.66 \times {10^4}$ IU $60$ IU $6 \times {10^7}$ IU ${10^6}$ IU
The activity of an enzyme is expressed in International Units (IU). However, the S.I unit for enzyme activity is Katal. One Katal is$1.66 \times {10^4}$ IU$60$ IU$6 \time...
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768
GATE2012-16
Which one of the following is NOT a protoplast fusion inducing agent? Inactivated Sendai virus $Ca^{2+}$ at alkaline pH Polyethylene glycol Colchicine
Which one of the following is NOT a protoplast fusion inducing agent?Inactivated Sendai virus$Ca^{2+}$ at alkaline pHPolyethylene glycolColchicine
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769
GATE2012-15
During photorespiration under low $CO_2$ and high $O_2$ levels, $O_2$ reacts with ribulose1,5- bisphosphate to yield one molecule each of 3-phosphoglycerate and 2-phosphoglycolate two molecules of 3-phosphoglycerate two molecules of 2-phosphoglycolate one molecule each of 3-phosphoglycerate and glyoxylate
During photorespiration under low $CO_2$ and high $O_2$ levels, $O_2$ reacts with ribulose1,5- bisphosphate to yieldone molecule each of 3-phosphoglycerate and 2-phosphog...
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770
GATE2012-14
The direction of shell coiling in the snail $\text{Limnaea peregra}$ is a classic example of chromosomal inheritance extra-chromosomal inheritance chromosomal translocation homologous recombination
The direction of shell coiling in the snail $\text{Limnaea peregra}$ is a classic example ofchromosomal inheritanceextra-chromosomal inheritancechromosomal translocationh...
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771
GATE2012-13
Protein-DNA interactions $\text{in vivo}$ can be studied by gel shift assay Southern hybridization chromatin immunoprecipitation assay fluorescence $\text{in situ}$ hybridization assay
Protein-DNA interactions $\text{in vivo}$ can be studied bygel shift assaySouthern hybridizationchromatin immunoprecipitation assayfluorescence $\text{in situ}$ hybridiza...
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772
GATE2012-12
A truncated polypeptide is synthesized due to a nonsense mutation. Where would you introduce another mutation to obtain a full-length polypeptide? Ribosomal protein gene Transfer RNA gene DNA repair gene Ribosomal RNA gene
A truncated polypeptide is synthesized due to a nonsense mutation. Where would you introduce another mutation to obtain a full-length polypeptide?Ribosomal protein geneTr...
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773
GATE2012-11
A protein is phosphorylated at a serine residue. A phosphomimic mutant of the protein can be generated by substituting that serine with glycine alanine aspartate threonine
A protein is phosphorylated at a serine residue. A phosphomimic mutant of the protein can be generated by substituting that serine withglycinealanineaspartatethreonine
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775
GATE2012-9
Heat inactivation of serum is done to inactivate prions mycoplasma complement pathogenic bacteria
Heat inactivation of serum is done to inactivateprionsmycoplasmacomplementpathogenic bacteria
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776
GATE2012-8
Nude mice refers to mice without skin mice without thymus knockout mice transgenic mice
Nude mice refers tomice without skinmice without thymusknockout micetransgenic mice
0 votes
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777
GATE2012-7
Dimethyl sulfoxide (DMSO) is used as a cryopreservant for mammalian cell cultures because it is an organic solvent it easily penetrates cells it protects cells by preventing crystallization of water it is also utilized as a nutrient
Dimethyl sulfoxide (DMSO) is used as a cryopreservant for mammalian cell cultures becauseit is an organic solventit easily penetrates cellsit protects cells by preventing...
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778
GATE2012-6
A humanized antibody is one in which the heavy and light chains are from human heavy chain is from human and light chain is from mouse light chain is from human and heavy chain is from mouse CDRs are from mouse, and the rest is from human
A humanized antibody is one in which theheavy and light chains are from humanheavy chain is from human and light chain is from mouselight chain is from human and heavy ch...
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779
GATE2012-5
B-lymphocytes originate from the bone marrow whereas T-lymphocytes originate from thymus bone marrow spleen liver
B-lymphocytes originate from the bone marrow whereas T-lymphocytes originate fromthymusbone marrowspleenliver
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780
GATE2012-4
Identification of blood groups involves precipitation neutralization opsonization agglutination
Identification of blood groups involvesprecipitationneutralizationopsonizationagglutination
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781
GATE2012-3
Idiotypic determinants of an antibody are associated with the constant region of the heavy chains constant region of the light chains variable region constant regions of light and heavy chains
Idiotypic determinants of an antibody are associated with theconstant region of the heavy chainsconstant region of the light chainsvariable regionconstant regions of ligh...
0 votes
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782
GATE2012-2
The basis for blue-white screening with $pUC$ vectors is intraallelic complementation intergenic complementation intragenic suppression extragenic suppression
The basis for blue-white screening with $pUC$ vectors isintraallelic complementationintergenic complementationintragenic suppressionextragenic suppression
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783
GATE2012-1
In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand by acetylation phosphorylation methylation glycosylation
In mismatch correction repair, the parental DNA strand is distinguished from the daughter strand byacetylationphosphorylationmethylationglycosylation
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785
GATE2018-GA-9
If $x^2 + x – 1 = 0$ what is the value of $x^4 + \dfrac{1}{x^4}$? $1$ $5$ $7$ $9$
If $x^2 + x – 1 = 0$ what is the value of $x^4 + \dfrac{1}{x^4}$?$1$$5$$7$$9$
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0 answers
787
GATE2018-GA-7
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed? $2$0$ $48$ $60$ $72$
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed?$2$0$$48$$60$$72$
0 votes
0 answers
790
GATE2018-GA-4
The area of an equilateral triangle is $\sqrt{3}$. What is the perimeter of the triangle? $2$ $4$ $6$ $8$
The area of an equilateral triangle is $\sqrt{3}$. What is the perimeter of the triangle?$2$$4$$6$$8$
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791
GATE2018-GA-3
For $0 \leq x \leq 2\pi$, $\sin x$ and $\cos x$ are both decreasing functions in the interval __________. $\bigg( 0, \dfrac{\pi}{2} \bigg) \\$ $\bigg( \dfrac{\pi}{2}, \pi \bigg) \\$ $\bigg( \pi, \dfrac{3\pi}{2} \bigg) \\$ $\bigg(\dfrac{3 \pi}{2}, 2 \pi \bigg)$
For $0 \leq x \leq 2\pi$, $\sin x$ and $\cos x$ are both decreasing functions in the interval __________.$\bigg( 0, \dfrac{\pi}{2} \bigg) \\$$\bigg( \dfrac{\pi}{2}, \pi ...
0 votes
0 answers
792
GATE2018-GA-2
In spite of being warned repeatedly, he failed to correct his _________ behaviour." The word that best fills the blank in the above sentence is rational reasonable errant good
In spite of being warned repeatedly, he failed to correct his _________ behaviour."The word that best fills the blank in the above sentence isrationalreasonableerrantgood...
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793
GATE2018-GA-1
"When she fell down the __________, she received many __________ but little help." The words that best fill the blanks in the above sentence are stairs, stares stairs, stairs stares, stairs stares, stares
"When she fell down the __________, she received many __________ but little help."The words that best fill the blanks in the above sentence arestairs, staresstairs, stair...
0 votes
1 answer
799
GATE2018-50
At the end of a batch culture, glucose solution is added at a flow rate of $200 \: ml/h$. If the culture volume after $2$ h of glucose addition is $1000$ ml, the initial culture volume (in ml) is _________
At the end of a batch culture, glucose solution is added at a flow rate of $200 \: ml/h$. If the culture volume after $2$ h of glucose addition is $1000$ ml, the initial ...
0 votes
0 answers
800
GATE2018-49
Yeast converts glucose to ethanol and carbon dioxide by glycolysis as per the following reaction: $C_6H_{12}O_6 \to 2C_2H_5OH + 2CO_2$Assuming complete conversion, the amount of ethanol produced (in $g$) from $200 \: g$ of glucose is (up to two decimal places) ____________
Yeast converts glucose to ethanol and carbon dioxide by glycolysis as per the following reaction: $$C_6H_{12}O_6 \to 2C_2H_5OH + 2CO_2$$Assuming complete conversion, the ...
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