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761
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
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762
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
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763
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
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764
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
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0
votes
0
answers
765
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
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
answers
766
GATE2012-10
Choose the correct signal transduction pathway. Hormone $\to$ 7 TM receptor $\to$ G protein $\to$ cAMP $\to$ PKA Hormone $\to$ G protein $\to$ 7 TM receptor $\to$ cAMP $\to$ PKA Hormone $\to$ 7 TM receptor $\to$ G protein $\to$ PKA $\to$ cAMP Hormone $\to$ 7 TM receptor $\to$ cAMP $\to$ G protein $\to$ PKA
Choose the correct signal transduction pathway.Hormone $\to$ 7 TM receptor $\to$ G protein $\to$ cAMP $\to$ PKAHormone $\to$ G protein $\to$ 7 TM receptor $\to$ cAMP $\t...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
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0
votes
0
answers
767
GATE2012-9
Heat inactivation of serum is done to inactivate prions mycoplasma complement pathogenic bacteria
Heat inactivation of serum is done to inactivateprionsmycoplasmacomplementpathogenic bacteria
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
votes
0
answers
768
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
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
answers
769
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
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0
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0
answers
770
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
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0
votes
0
answers
771
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
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
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0
votes
0
answers
772
GATE2012-4
Identification of blood groups involves precipitation neutralization opsonization agglutination
Identification of blood groups involvesprecipitationneutralizationopsonizationagglutination
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
answers
773
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...
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
answers
774
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
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
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0
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0
answers
775
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
Milicevic3306
7.9k
points
Milicevic3306
asked
Mar 25, 2018
Others
gate2012
+
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0
votes
0
answers
776
GATE2018-GA-10
In a detailed study of annual crow births in India, it was found that there was relatively no growth during the period $2002$ to $2004$ and a sudden spike from $2004$ to $2005$. In another unrelated study, it was found that the revenue from ... rate. If cracker sale declines, crow birth will decline. Increased birth rate of crows will cause an increase in the sale of crackers.
In a detailed study of annual crow births in India, it was found that there was relatively no growth during the period $2002$ to $2004$ and a sudden spike from $2004$ to ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
data-interpretation
graphical-data
+
–
0
votes
0
answers
777
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$$9$
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
algebra
+
–
0
votes
0
answers
778
GATE2018-GA-8
To pass a test, a candidate needs to answer at least $2$ out of $3$ questions correctly. A total of $6,30,000$ candidates appeared for the test. Question A was correctly answered by $3,30,000$ candidates. Question B was answered correctly by $2,50,000$ candidates. ... the number answering none, how many candidates failed to clear the test? $30,000$ $2,70,000$ $3,90,000$ $4,20,000$
To pass a test, a candidate needs to answer at least $2$ out of $3$ questions correctly. A total of $6,30,000$ candidates appeared for the test. Question A was correctly ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
counting
+
–
0
votes
0
answers
779
GATE2018-GA-7
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed? $2$0$ $48$ $60$ $72$
A set of $4$ parallel lines intersect with another set of $5$ parallel lines. How many parallelograms are formed?$2$0$$48$$60$$72$
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
counting
+
–
0
votes
0
answers
780
GATE2018-GA-6
An automobile travels from city A to city B and returns to city A by the same route. The speed of the vehicle during the onward and return journeys were constant at $60$ km/h and 90 km/h, respectively. What is the average speed in km/h for the entire journey? $72$ $73$ $74$ $75$
An automobile travels from city A to city B and returns to city A by the same route. The speed of the vehicle during the onward and return journeys were constant at $60$ ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
speed-time-distance
+
–
0
votes
0
answers
781
GATE2018-GA-5
Arrange the following three-dimensional objects in the descending order of their volumes: A cuboid with dimensions $10$ cm, $8$ cm and $6$ cm A cube of side $8$ cm A cylinder with base radius $7$ cm and height $7$ cm A sphere of radius $7$ cm (i), (ii), (iii), (iv) (ii), (i), (iv), (iii) (iii), (ii), (i), (iv) (iv), (iii), (ii), (i)
Arrange the following three-dimensional objects in the descending order of their volumes:A cuboid with dimensions $10$ cm, $8$ cm and $6$ cmA cube of side $8$ cmA cylinde...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
mensuration
+
–
0
votes
0
answers
782
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$$8$
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
geometry
triangles
+
–
0
votes
0
answers
783
GATE2018-GA-3
For $0 \leq x \leq 2\pi$, $\sin x$ and $\cos x$ are both decreasing functions in the interval __________. $\bigg( 0, \dfrac{\pi}{2} \bigg) \\$ $\bigg( \dfrac{\pi}{2}, \pi \bigg) \\$ $\bigg( \pi, \dfrac{3\pi}{2} \bigg) \\$ $\bigg(\dfrac{3 \pi}{2}, 2 \pi \bigg)$
For $0 \leq x \leq 2\pi$, $\sin x$ and $\cos x$ are both decreasing functions in the interval __________.$\bigg( 0, \dfrac{\pi}{2} \bigg) \\$$\bigg( \dfrac{\pi}{2}, \pi ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Quantitative Aptitude
gate2018
numerical-ability
trigonometry
+
–
0
votes
0
answers
784
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...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Verbal Aptitude
gate2018
verbal-ability
most-appropriate-word
+
–
0
votes
0
answers
785
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...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Verbal Aptitude
gate2018
verbal-ability
most-appropriate-word
+
–
0
votes
0
answers
786
GATE2018-55
A rod shaped bacterium has a length of $2 \: \mu m$, diameter of $1 \mu m$ and density the same as that of water. If proteins constitute $15 \%$ of the cell mass and the average protein has a mass of $50$ kDa, the number of proteins in the cell is __________ ($1$ Da $= 1.6 \times 10^{-24}$g)
A rod shaped bacterium has a length of $2 \: \mu m$, diameter of $1 \mu m$ and density the same as that of water. If proteins constitute $15 \%$ of the cell mass and the ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Biochemistry
gate2018
biochemistry
numerical-answers
+
–
0
votes
0
answers
787
GATE2018-54
The product of complete digestion of the plasmid shown below with EcoRI and HaeIII was purified and used as a template in a reaction containing Klenow fragment of DNA polymerase, dNTPs and $[\alpha -^{32}P]$-dATP in a suitable reaction buffer. ... and subjected to gel electrophoresis followed by autoradiography. The number of bands that will appear on the X-ray film is _____________
The product of complete digestion of the plasmid shown below with EcoRI and HaeIII was purified and used as a template in a reaction containing Klenow fragment of DNA pol...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Recombinant DNA technology and Other Tools in Biotechnology
gate2018
recombinant
dna
technology
numerical-answers
+
–
0
votes
0
answers
788
GATE2018-53
Consider a simple uni-substrate enzyme that follows Michaelis-Menten kinetics. When the enzyme catalyzed reaction was carried out in the presence of $10$ nM concentration of an inhibitor, there was no change in the maximal velocity. However. the slope of the Lineweaver-Burk plot increased $3$-fold. The dissociation constant for the enzyme-inhibitor complex (in nM) is ____________
Consider a simple uni-substrate enzyme that follows Michaelis-Menten kinetics. When the enzyme catalyzed reaction was carried out in the presence of $10$ nM concentration...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Biochemistry
gate2018
biochemistry
numerical-answers
kinetics
+
–
0
votes
0
answers
789
GATE2018-52
First order deactivation rate constants for soluble and immobilized amyloglucosidase enzyme are $0.03 \text{ min}^{-1}$ and $0.005 \text{ min}^{-1}$, respectively. The ratio of half-life of the immobilized enzyme to that of the soluble enzyme is (rounded off to the nearest integer) ___________
First order deactivation rate constants for soluble and immobilized amyloglucosidase enzyme are $0.03 \text{ min}^{-1}$ and $0.005 \text{ min}^{-1}$, respectively. The ra...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Biochemistry
gate2018
biochemistry
numerical-answers
enzyme
kinetics
+
–
0
votes
1
answer
790
GATE2018-51
Consider the following alignment of two DNA sequences:$\mathbf{AGTAAC} \\ \mathbf{AA}\text{- -}\mathbf{AC}$Assuming an affine gap scoring scheme of an identity matrix for substitution, a gap initiation penalty of $1$ and a gap extension penalty of $0.1$, the score of the alignment is (up to one decimal place) __________
Consider the following alignment of two DNA sequences:$$\mathbf{AGTAAC} \\ \mathbf{AA}\text{- -}\mathbf{AC}$$Assuming an affine gap scoring scheme of an identity matrix f...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Bioinformatics
gate2018
bioinformatics
numerical-answers
+
–
0
votes
1
answer
791
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 ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Bioprocess Engineering and Process Biotechnology
gate2018
bioprocess
numerical-answers
+
–
0
votes
0
answers
792
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 ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Biochemistry
gate2018
biochemistry
numerical-answers
+
–
0
votes
0
answers
793
GATE2018-48
Mammalian cells in active growth phase were seeded at a density of $1 \times 10^5$ cells/ml. After $72$ hours, $1 \times 10^6$ cells/ml were obtained. The population doubling time of the cells in hours is (up to two decimal places) ________________
Mammalian cells in active growth phase were seeded at a density of $1 \times 10^5$ cells/ml. After $72$ hours, $1 \times 10^6$ cells/ml were obtained. The population doub...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Microbiology
gate2018
microbiology
microbial
growth
numerical-answers
+
–
0
votes
0
answers
794
GATE2018-47
In a chemostat, the feed flow rate and culture volume are $100$ ml/h and $1.0$ L, respectively. With glucose as substrate, the values of $\mu_{\text{max}}$ and $K_s$ are $0.2 \: h^{-1}$ and $1 \: g/L$, respectively. For a glucose concentration of $10 \: g/L$ in the feed, the effluent substrate concentration (in $g/L$) is _______
In a chemostat, the feed flow rate and culture volume are $100$ ml/h and $1.0$ L, respectively. With glucose as substrate, the values of $\mu_{\text{max}}$ and $K_s$ are ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Biochemistry
gate2018
biochemistry
kinetics
numerical-answers
+
–
0
votes
0
answers
795
GATE2018-46
A microbial strain is cultured in a $100$ L stirred fermenter for secondary metabolite production. If the specific rate of oxygen uptake is $0.4 \: h^{-1}$ and the oxygen solubility in the broth is $8 $ ... $s^{-1}$) of oxygen required to achieve a maximum cell concentration of $12$ g/L is (up to two decimal places) ___________
A microbial strain is cultured in a $100$ L stirred fermenter for secondary metabolite production. If the specific rate of oxygen uptake is $0.4 \: h^{-1}$ and the oxygen...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Bioprocess Engineering and Process Biotechnology
gate2018
bioprocess
fermenter
numerical-answers
+
–
0
votes
0
answers
796
GATE2018-45
An aqueous solution containing $6.8$ mg/L of an antibiotic is extracted with amyl acetate. If the partition coefficient of the antibiotic is $170$ and the ratio of water to solvent is $85$, then the extraction factor is ________
An aqueous solution containing $6.8$ mg/L of an antibiotic is extracted with amyl acetate. If the partition coefficient of the antibiotic is $170$ and the ratio of water ...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Bioprocess Engineering and Process Biotechnology
gate2018
bioprocess
technology
numerical-answers
+
–
0
votes
0
answers
797
GATE2018-42
The probability distribution for a discrete random variable $X$ is given below. $\begin{array}{|c|c|c|c|c|} \hline X & 1 & 2 & 3 & 4 \\ \hline P(X) & 0.3 & 0.4 & 0.2 & 0.1 \\ \hline \end{array}$The expectation value of $X$ is (up to one decimal place) _____________
The probability distribution for a discrete random variable $X$ is given below. $$\begin{array}{|c|c|c|c|c|} \hline X & 1 & 2 & 3 & 4 \\ \hline P(X) & 0.3 & 0.4 & 0.2 & 0...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Probability and Statistics
gate2018
numerical-answers
probability-and-statistics
probability
expectation
+
–
0
votes
0
answers
798
GATE2018-41
Calculate the following integral (up to two decimal places) $\displaystyle \int_0^1 (x + 3)(x + 1)dx = \text{ ___________}$
Calculate the following integral (up to two decimal places)$$\displaystyle \int_0^1 (x + 3)(x + 1)dx = \text{ ___________}$$
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Calculus
gate2018
numerical-answers
calculus
definite-integrals
+
–
0
votes
0
answers
799
GATE2018-40
$5'$ capping of mRNA transcripts in eukaryotes involves the following events: Addition of GMP on the $5'$ end Removal of $\gamma$-phosphate of the triphosphate on first base at the $5'$ end $5'-5'$ linkage between GMP and the first base at $5'$ end Addition of methyl group ... is the correct sequence of events? P, Q, R, S P, R, Q, S Q, P, R, S Q, P, S, R
$5'$ capping of mRNA transcripts in eukaryotes involves the following events:Addition of GMP on the $5'$ endRemoval of $\gamma$-phosphate of the triphosphate on first bas...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Molecular Biology and Genetics:
gate2018
molecular
biology
+
–
0
votes
0
answers
800
GATE2018-39
Match the industrial products mentioned in Group I with their producer organisms in Group II ... $\text{P-2, Q- 1, R- 4, S-3}$ $\text{P- 3, Q- 1, R- 4, S-2}$
Match the industrial products mentioned in Group I with their producer organisms in Group II$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Group II} \\ \h...
gatecse
1.4k
points
gatecse
asked
Feb 20, 2018
Microbiology
gate2018
microbiology
+
–
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