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Questions by Milicevic3306
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votes
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answers
161
GATE2015-31
Which one of the following graphs represents uncompetitive inhibition?
Which one of the following graphs represents uncompetitive inhibition?
asked
Mar 26, 2018
Others
gate2015
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0
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162
GATE2015-32
Choose the appropriate pair of primers to amplify the following DNA fragment by the polymerase chain reaction (PCR). $\textrm{5' - GACCTGTGG- - - - - - - - - - - - - - - - - - ATACGGGAT - 3'}$ $\textrm{3' - CTGGACACC - - - - - - - - - - - - - - - - - - TATGCCCTA - 5'}$ ... $P$ and $R$ $P$ and $S$ $Q$ and $R$ $Q$ and $S$
Choose the appropriate pair of primers to amplify the following DNA fragment by the polymerase chain reaction (PCR).$$\textrm{5’ – GACCTGTGG- – – – – – – ...
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Mar 26, 2018
Others
gate2015
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0
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0
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163
GATE2015-33
Consider the following infinite series: $1+ r+r^2 +r^3+ \dots \dots \infty$ If $r = 0.3$, then the sum of this infinite series is ____________
Consider the following infinite series:$$1+ r+r^2 +r^3+ \dots \dots \infty$$ If $r = 0.3$, then the sum of this infinite series is ____________
asked
Mar 26, 2018
Calculus
gate2015
numerical-answers
calculus
sequences-and-series
infinite-series
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0
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0
answers
164
GATE2015-34
$\begin{array}{cc} 2x_1+ x_2 = 35 \\ 5x_1 + bx_2 = 7.5 \end{array}$ The system of linear equations in two variables shown above will have infinite solutions, if and only if, $b$ is equal to _________
$$\begin{array}{cc} 2x_1+ x_2 = 35 \\ 5x_1 + bx_2 = 7.5 \end{array}$$ The system of linear equations in two variables shown above will have infinite solutions, if and onl...
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Mar 26, 2018
Linear Algebra
gate2015
numerical-answers
linear-algebra
system-of-equations
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0
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0
answers
165
GATE2015-35
The interaction between an antigen $(Ag)$ and a single-chain antibody $(Ab)$ was studied using Scatchard analysis. The result is shown below. The affinity of interaction and the total concentration of antibody, respectively, can be determined from slope and $Y$-intercept $Y$-intercept and slope $X$-intercept and slope slope and $X$-intercept
The interaction between an antigen $(Ag)$ and a single-chain antibody $(Ab)$ was studied using Scatchard analysis. The result is shown below.The affinity of interaction a...
asked
Mar 26, 2018
Others
gate2015
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0
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166
GATE2015-36
An isolated population on an island has the following genotypic frequencies: $\begin{array}{|c|c|c|c|} \hline \textrm{Genotype} & AA & Aa & aa \\ \hline \textrm{Frequency} & 0.3 & 0.4 & 0.3 \\ \hline \end{array}$ Assuming that there are only two alleles ($A$ and $a$) for the gene, the genotypic frequency of $AA$ in the next generation will be __________
An isolated population on an island has the following genotypic frequencies: $$\begin{array}{|c|c|c|c|} \hline \textrm{Genotype} & AA & Aa & aa \\ \hline \textrm{Frequenc...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
votes
0
answers
167
GATE2015-37
How many rooted and unrooted phylogenetic trees, respectively, are possible with four different sequences? $3$ and $15$ $15$ and $3$ $15$ and $12$ $12$ and $3$
How many rooted and unrooted phylogenetic trees, respectively, are possible with four different sequences?$3$ and $15$$15$ and $3$$15$ and $12$$12$ and $3$
asked
Mar 26, 2018
Others
gate2015
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0
votes
0
answers
168
GATE2015-38
Match the compounds in $\text{Group I}$ with the correct entries in $\text{Group II}$ ... $\text{P-5, Q-2, R-1, S-3}$ $\text{P-4, Q-2, R-1, S-3}$ $\text{P-4, Q-5, R-3, S-1}$
Match the compounds in $\text{Group I}$ with the correct entries in $\text{Group II}$.$\begin{array}{|l|l|l|l|}\hline & \textbf{Group I} & & \textbf{Group II} \\ \hline ...
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Mar 26, 2018
Others
gate2015
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0
votes
0
answers
169
GATE2015-39
What are the eigenvalues of the following matrix? $\begin{bmatrix} 1 & 1 \\ -2 & 4 \end{bmatrix}$ $2$ and $3$ $-2$ and $3$ $2$ and $-3$ $-2$ and $-3$
What are the eigenvalues of the following matrix? $$\begin{bmatrix} 1 & 1 \\ -2 & 4 \end{bmatrix}$$$2$ and $3$$-2$ and $3$$2$ and $-3$$-2$ and $-3$
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Mar 26, 2018
Linear Algebra
gate2015
linear-algebra
matrices
eigen-values
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0
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0
answers
170
GATE2015-40
For a discrete random variable $X$, $\textit{ran}(X)=\{0,1,2,3\}$ and the cumulative probability $F(X )$ is shown below: $\begin{array}{|c|c|c|c|c|} \hline X & 0 & 1 & 2 & 3 \\ \hline F(X) & 0.5 & 0.6 & 0.8 & 1.0 \\ \hline \end{array}$The mean value of $X$ is ___________
For a discrete random variable $X$, $\textit{ran}(X)=\{0,1,2,3\}$ and the cumulative probability $F(X )$ is shown below: $$\begin{array}{|c|c|c|c|c|} \hline X & 0 & 1 & ...
asked
Mar 26, 2018
Probability and Statistics
gate2015
numerical-answers
probability-and-statistics
random-variables
mean
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0
answers
171
GATE2015-41
Match the drugs in $\text{Group I}$ with their mechanism of action in $\text{Group II}$ ... $P-2, Q-6, R-3, S-5$ $P-1, Q-3, R-6, S-5$ $P-2, Q-3, R-6, S-4$
Match the drugs in $\text{Group I}$ with their mechanism of action in $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Group II} \\ \hline ...
asked
Mar 26, 2018
Others
gate2015
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0
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0
answers
172
GATE2015-42
The limit of the function $\bigg (1 + \dfrac{x}{n} \bigg )^n$ as $n \to \infty$ is $\ln x$ $\ln \dfrac{1}{x}$ $e^{-x}$ $e^x$
The limit of the function $\bigg (1 + \dfrac{x}{n} \bigg )^n$ as $n \to \infty$ is$\ln x$$\ln \dfrac{1}{x}$$e^{-x}$$e^x$
asked
Mar 26, 2018
Calculus
gate2015
calculus
limits
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0
votes
0
answers
173
GATE2015-43
Match the cells in $\text{Group I}$ with their corresponding entries in $\text{Group II}$ ... $\text{P-3, Q-1, R-2, S-5}$ $\text{P-3, Q-1, R-2, S-6}$
Match the cells in $\text{Group I}$ with their corresponding entries in $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Group II} \\ \hlin...
asked
Mar 26, 2018
Others
gate2015
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0
votes
0
answers
174
GATE2015-44
Oxygen transfer was measured in a stirred tank bioreactor using dynamic method. The dissolved oxygen tension was found to be $80 \%$ air saturation under steady state conditions. The measured oxygen tensions at $7$ s and $17$ s were $55\%$ and $68\%$ air saturation, respectively. The volumetric mass transfer coefficient $K_{La}$ is __________ $s^{-1}$
Oxygen transfer was measured in a stirred tank bioreactor using dynamic method. The dissolved oxygen tension was found to be $80 \%$ air saturation under steady state con...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
votes
0
answers
175
GATE2015-45
Match the microorganism in $\text{Group I}$ with their fermentation products in $\text{Group II}$ ... $\text{P-3, Q-4, R-1, S-2}$ $\text{P-3, Q-4, R-2, S-1}$
Match the microorganism in $\text{Group I}$ with their fermentation products in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Group II}...
asked
Mar 26, 2018
Others
gate2015
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0
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0
answers
176
GATE2015-46
Plasmid DNA $(0.5 \: \mu g)$ containing an ampicillin resistance marker was added to $200 \: \mu l$ of competent cells. The transformed competent cells were diluted $10,000$ times, out of which, $50 \: \mu l$ was plated on agar plates containing ampicillin. A total of $35$ colonies were obtained. The transformation efficiency is _______$\times 10^6 \: \text{ cfu} \cdot \mu g^{-1}$
Plasmid DNA $(0.5 \: \mu g)$ containing an ampicillin resistance marker was added to $200 \: \mu l$ of competent cells. The transformed competent cells were diluted $10,0...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
votes
0
answers
177
GATE2015-47
Match the reagents in $\text{Group I}$ with their preferred cleavage sites in $\text{Group II}$ ... $\text{P-1, Q-2, R-5, S-4}$ $\text{P-4, Q-2, R-5, S-3}$
Match the reagents in $\text{Group I}$ with their preferred cleavage sites in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \text{Group I} && \text{Group II} \\ \...
asked
Mar 26, 2018
Others
gate2015
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0
answers
178
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.
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
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0
answers
179
GATE2015-49
Choose the CORRECT sequence of steps involved in cytoplast production. Digestion of cell wall $\to$ protoplast viability $\to$ cybrid formation $\to$ osmotic stabilizer Osmotic stabilizer $\to$ digestion of cell wall $\to$ protoplast viability $\to$ cybrid ... wall $\to$ cybrid formation Osmotic stabilizer $\to$ digestion of cell wall $\to$ cybrid formation $\to$ protoplast viability
Choose the CORRECT sequence of steps involved in cytoplast production.Digestion of cell wall $\to$ protoplast viability $\to$ cybrid formation $\to$ osmotic stabilizerOsm...
asked
Mar 26, 2018
Others
gate2015
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0
votes
0
answers
180
GATE2015-50
Match the antibiotics in $\text{Group I}$ with their modes of action in $\text{Group II}$ ... $\text{P-3, Q-2, R-1, S-4}$ $\text{P-1, Q-4, R-3, S-2}$
Match the antibiotics in $\text{Group I}$ with their modes of action in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \text{Group I} && \text{Group II} \\ \hline ...
asked
Mar 26, 2018
Others
gate2015
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0
votes
0
answers
181
GATE2015-51
The diameters of a large and a small vessel are $1.62$ m and $16.2$ cm. ,respectively. The vessels are geometrically similar and operated under similar volumetric agitated power input. The mixing time in the small vessel was found to be $15$ s. Determine the mixing tune (in seconds) in the large vessel. $15$ $30$ $61$ $122$
The diameters of a large and a small vessel are $1.62$ m and $16.2$ cm. ,respectively. The vessels are geometrically similar and operated under similar volumetric agitate...
asked
Mar 26, 2018
Others
gate2015
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0
votes
0
answers
182
GATE2015-52
If $A = \begin{bmatrix} 4 & 2 \\ 1 & 3 \end{bmatrix}$, then $A^2+3A$ will be $\begin{bmatrix} 30 & 20 \\ 10 & 20 \end{bmatrix} \\$ $\begin{bmatrix} 28 & 10 \\ 4 & 18 \end{bmatrix} \\$ $\begin{bmatrix} 31 & 13 \\ 7 & 21 \end{bmatrix} \\$ $\begin{bmatrix} 20 & 10 \\ 5 & 15 \end{bmatrix}$
If $A = \begin{bmatrix} 4 & 2 \\ 1 & 3 \end{bmatrix}$, then $A^2+3A$ will be$\begin{bmatrix} 30 & 20 \\ 10 & 20 \end{bmatrix} \\$$\begin{bmatrix} 28 & 10 \\ 4 & 18 \end{b...
asked
Mar 26, 2018
Linear Algebra
gate2015
linear-algebra
matrices
matrix-algebra
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0
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0
answers
183
GATE2015-53
Consider the following multiple sequence alignment of four DNA sequences. $\begin{array}{cccc} A & C & T & A \\ A & C & T & G \\ A & G & T & C \\ A & G & C & T \end{array}$Shannon's entropy of the above alignment is ___________
Consider the following multiple sequence alignment of four DNA sequences.$$\begin{array}{cccc} A & C & T & A \\ A & C & T & G \\ A & G & T & C \\ A & G & C & T \end{arra...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
votes
0
answers
184
GATE2015-54
The $K_i$ of a novel competitive inhibitor designed against an enzyme is $2.5 \: \mu M$. The enzyme was assayed in the absence or presence of the inhibitor $(5 \: \mu M)$ under identical conditions. The $K_m$ in the presence of the inhibitor was found to be $30 \: \mu M$. The $K_m$ in the absence of the inhibitor is _________ $\mu M$
The $K_i$ of a novel competitive inhibitor designed against an enzyme is $2.5 \: \mu M$. The enzyme was assayed in the absence or presence of the inhibitor $(5 \: \mu M)$...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
votes
0
answers
185
GATE2015-55
A heterozygous tall plant $(Tt)$ was crossed with a homozygous dwarf plant $(tt)$. The resultant seeds were collected. If five seeds are chosen at random, then the probability (in $\%$) that exactly two of these seeds will yiIeld dwarf plants is __________
A heterozygous tall plant $(Tt)$ was crossed with a homozygous dwarf plant $(tt)$. The resultant seeds were collected. If five seeds are chosen at random, then the probab...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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0
votes
0
answers
186
GATE2015-56
Assuming random distribution of nucleotides, the average number of fragments generated upon digestion of a circular DNA of size $4.3 \times 10^5$ bp with $\textit{Alu}I (5 ' – AG \downarrow CT-3' )$ is _________$ \times 10^3$
Assuming random distribution of nucleotides, the average number of fragments generated upon digestion of a circular DNA of size $4.3 \times 10^5$ bp with $\textit{Alu}I (...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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–
0
votes
0
answers
187
GATE2015-57
A synchronous culture containing $1.8 \times 10^5$ monkey kidney cells was seeded into three identical flasks. The doubling time of these cells is $24$ h. After $24$ h, the cells from all the three flasks were pooled and dispensed equally into each well of three $6$-well plates. The number of cells in each well will be _________$\times 10^4$.
A synchronous culture containing $1.8 \times 10^5$ monkey kidney cells was seeded into three identical flasks. The doubling time of these cells is $24$ h. After $24$ h, t...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
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–
0
votes
0
answers
188
GATE2015-58
An $\textit{in vitro}$ translation system can synthesize peptides m all three reading frames of the RNA template. When $\text{5' - UCUCUCUC --- (UC)_n---UCUCUCUC - 3'}$ was used as the template in this $\textit{in vitro}$ translation system, the synthesized ... peptides contained $33.3 \%$ each of serine. leucine, and proline. Deduce the codon for proline. $UCU$ $CUC$ $CCU$ $UCC$
An $\textit{in vitro}$ translation system can synthesize peptides m all three reading frames of the RNA template. When $\text{5’ - UCUCUCUC - (UC)_n -UCUCUCUC - 3’}$...
asked
Mar 26, 2018
Others
gate2015
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–
0
votes
0
answers
189
GATE2015-59
Three distinct antigens $X, Y$ and $Z$ were used to raise antibodies. Antigen $Z$ was injected in a mouse on day zero followed by the administration of antigens $X$ and $Y$ on day $28$. A second injection of antigen $X$ was administered on day $70$. The antibody titers were ... will be high on day $84$ $X$-specific IgG will be high on day $42$ $Y$-specific IgG will be high on day $84$
Three distinct antigens $X, Y$ and $Z$ were used to raise antibodies. Antigen $Z$ was injected in a mouse on day zero followed by the administration of antigens $X$ and $...
asked
Mar 26, 2018
Others
gate2015
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–
0
votes
0
answers
190
GATE2015-60
The standard free energy change $(\Delta G' ^\circ)$ for ATP hydrolysis is $-30 kJ \cdot \text{mole}^{-1}$. The $\textit{in vivo}$ concentrations of ATP, ADP and $P_i$ in $E \textit{.coli}$ are $7.90, 1.04$ and $7.90$ ... $(\Delta G)$ for ATP hydrolysis $\textit{in viva}$ is _______ $kJ \cdot \text{mole}^{-1}$.
The standard free energy change $(\Delta G' ^\circ)$ for ATP hydrolysis is $-30 kJ \cdot \text{mole}^{-1}$. The $\textit{in vivo}$ concentrations of ATP, ADP and $P_i$ in...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
+
–
0
votes
0
answers
191
GATE2015-61
In a fed-batch culture, $200 \text{ g . L}^{-1}$ glucose solution is added at a flow rate of $50 \text{ L . h}^{-1}$ . The initial culture volume (at quasi steady state) and the initial cell concentration are $600 \: L$ and $20 \text{g . L}^{-1}$ , respectively. The ... g substrate$^{-1}$. The cell concentration $g . L^{-1})$ at quasi steady state at $t=8 \:h$ is $40$ $52$ $60$ $68$
In a fed-batch culture, $200 \text{ g . L}^{-1}$ glucose solution is added at a flow rate of $50 \text{ L . h}^{-1}$ . The initial culture volume (at quasi steady state) ...
asked
Mar 26, 2018
Others
gate2015
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–
0
votes
0
answers
192
GATE2015-62
Cytoplasmic extract from the wild type strain of a bacterium has the ability to convert a colorless substrate $(S)$ to a colored product $(P)$ via three colorless intermediates $X, Y$ and $Z$ in that order. Each step of the pathway involves a specific ... No: no color developed) Based on the data, which one of the following is the correct order of enzymes involved in the pathway?
Cytoplasmic extract from the wild type strain of a bacterium has the ability to convert a colorless substrate $(S)$ to a colored product $(P)$ via three colorless interme...
asked
Mar 26, 2018
Others
gate2015
+
–
0
votes
0
answers
193
GATE2015-63
Samples of bacterial culture taken at $5$ PM and then the next day at $5$ AM were found to have $10^4$ and $10^7$ cells.mL${-1}$, respectively. Assuming that both the samples were taken during the log phase of cell growth, the generation time of this bacterium will be ________$h$.
Samples of bacterial culture taken at $5$ PM and then the next day at $5$ AM were found to have $10^4$ and $10^7$ cells.mL${-1}$, respectively. Assuming that both the sam...
asked
Mar 26, 2018
Others
gate2015
numerical-answers
+
–
0
votes
0
answers
194
GATE2015-64
Biomass is being produced in a continuous stirred tank bioreactor of $750$ L capacity. The sterile feed containing $8 \: g \cdot L^{-1}$ glucose as substrate was fed at a flow rate of $150 \: L \cdot h^{-1}$ ... Determine the cell productivity $(g \cdot L^{-1} \cdot h^{-1})$ at steady state. $0.85$ $0.65$ $0.45$ $0.25$
Biomass is being produced in a continuous stirred tank bioreactor of $750$ L capacity. The sterile feed containing $8 \: g \cdot L^{-1}$ glucose as substrate was fed at a...
asked
Mar 26, 2018
Others
gate2015
+
–
0
votes
0
answers
195
GATE2015-65
A linear double stranded DNA of length $8$ kbp has three restriction sites. Each of these can either be a $\textit{Bam}\text{HI}$ or a $\textit{Hae}III$ site. The DNA was digested completely with both enzymes. The products were ... autoradiograph represent their mean signal intensity in arbitrary units. Which one of the following options is the correct restriction map of the DNA?
A linear double stranded DNA of length $8$ kbp has three restriction sites. Each of these can either be a $\textit{Bam}\text{HI}$ or a $\textit{Hae}III$ site. The DNA was...
asked
Mar 26, 2018
Others
gate2015
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–
0
votes
0
answers
196
GATE2014-GA-1
Choose the most appropriate word from the options given below to complete the following sentence. A person suffering from Alzheimer’s disease___________ short-term memory loss. experienced has experienced is experiencing experiences
Choose the most appropriate word from the options given below to complete the following sentence.A person suffering from Alzheimer’s disease___________ short-term memor...
asked
Mar 25, 2018
Verbal Aptitude
gate2014
verbal-ability
most-appropriate-word
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–
0
votes
0
answers
197
GATE2014-GA-2
Choose the most appropriate word from the options given below to complete the following sentence. ___________is the key to their happiness; they are satisfied with what they have. Contentment Ambition Perseverance Hunger
Choose the most appropriate word from the options given below to complete the following sentence.___________is the key to their happiness; they are satisfied with what th...
asked
Mar 25, 2018
Verbal Aptitude
gate2014
verbal-ability
most-appropriate-word
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–
0
votes
0
answers
198
GATE2014-GA-3
Which of the following options is the closest in meaning to the sentence below? “As a woman, I have no country.” Women have no country. Women are not citizens of any country. Women’s solidarity knows no national boundaries. Women of all countries have equal legal rights.
Which of the following options is the closest in meaning to the sentence below?“As a woman, I have no country.”Women have no country.Women are not citizens of any cou...
asked
Mar 25, 2018
Verbal Aptitude
gate2014
verbal-ability
verbal-reasoning
normal
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–
0
votes
0
answers
199
GATE2014-GA-4
In any given year, the probability of an earthquake greater than Magnitude $6$ occurring in the Garhwal Himalayas is $0.04$. The average time between successive occurrences of such earthquakes is_____ years.
In any given year, the probability of an earthquake greater than Magnitude $6$ occurring in the Garhwal Himalayas is $0.04$. The average time between successive occurrenc...
asked
Mar 25, 2018
Quantitative Aptitude
gate2014
numerical-ability
probability
numerical-answers
normal
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–
0
votes
0
answers
200
GATE2014-GA-5
The population of a new city is $5$ million and is growing at $20\%$ annually. How many years would it take to double at this growth rate? $3-4$ years $4-5$ years $5-6$ years $6-7$ years
The population of a new city is $5$ million and is growing at $20\%$ annually. How many years would it take to double at this growth rate?$3-4$ years$4-5$ years$5-6$ year...
asked
Mar 25, 2018
Quantitative Aptitude
gate2014
numerical-ability
simple-compound-interest
normal
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