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1
GATE2021
A batch cultivation of E. coli follows zeroth order Monod's growth kinetics. The cell growth is terminated when the residual dissolved oxygen concentration attains 10% of its saturation value and oxygen mass transfer coefficient ( ) L k a reaches its maximum value ( ) 1 ... the final cell concentration in 3 kg m− (rounded off to two decimal places) at the end of the batch cultivation is _
DARSHAN KJ
asked
in
Bioreaction Engineering
Oct 21, 2023
by
DARSHAN KJ
120
points
0
votes
0
answers
2
GATE BT 2023 | GA Question: 6
Human beings are one among many creatures that inhabit an imagined world. In this imagined world, some creatures are cruel. If in this imagined world, it is given that the statement "Some human beings are not cruel creatures" is FALSE, then which of the following set of statement( ... $\text{(i)}$ and $\text{(ii)}$ $\text{(i), (ii)}$ and $\text{(iii)}$
admin
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Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
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0
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3
GATE BT 2023 | GA Question: 8
The World Bank has declared that it does not plan to offer new financing to Sri Lanka, which is battling its worst economic crisis in decades, until the country has an adequate macroeconomic policy framework in place. In a statement, the World ... Bank has stated that it will provide Sri Lanka with additional funds for essentials such as food, fuel, and medicines.
admin
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Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
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0
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4
GATE BT 2023 | GA Question: 9
The coefficient of $x^{4}$ in the polynomial $(x-1)^{3}(x-2)^{3}$ is equal to __________. $33$ $-3$ $30$ $21$
admin
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Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
votes
0
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5
GATE BT 2023 | GA Question: 10
Which one of the following shapes can be used to tile (completely cover by repeating) a flat plane, extending to infinity in all directions, without leaving any empty spaces in between them? The copies of the shape used to tile are identical and are not allowed to overlap. circle regular octagon regular pentagon rhombus
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
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6
GATE BT 2023 | Question: 3
Determine the correctness or otherwise of the following Assertion $[\text{a}]$ and the Reason $[\mathrm{r}]$. Assertion $[\mathrm{a}]$: In multicellular organisms, cells of different lineages have different gene expression profiles. Reason $[\mathrm{r}]$: Alternative splicing ... not the correct reason for $[\mathrm{a}]$ $[\mathrm{a}]$ is true but $[\mathrm{r}]$ is false
admin
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Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
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7
GATE BT 2023 | Question: 4
Determine the correctness or otherwise of the following Assertion $[\text{a}]$ and the Reason $\text{[r]}$. Assertion $\text{[a]}$: Chromosome mutations can change the structure of chromosomes. Reason $\text{[r]}$ : All chromosome mutations arise due to nondisjunction of ... $[\mathrm{r}]$ are true but $[\mathrm{r}]$ is not the correct reason for $\text{[a]}$
admin
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Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
votes
0
answers
8
GATE BT 2023 | Question: 5
C-value paradox refers to the lack of correlation between genome size and genetic complexity of an organism the presence of genetic sequences that propagate themselves within a genome the coexistence of multiple alleles at a genetic locus the concept that two or more genes may have the same function
admin
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Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
9
GATE BT 2023 | Question: 7
Dendritic cells are involved in cross-presentation of antigens. Which of the following protein(s) is(are) required for cross-presentation? P. Basic leucine zipper ATF-like transcription factor $3$ (BATF3) Q. Membrane associated ring-CH-type finger $1$ (MARCH-1) R. Solute carrier ... $\mathrm{R}$ only $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}$ only $\text{S}$ only
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
10
GATE BT 2023 | Question: 8
Which one of the following is required for the development of B-cells in the bone marrow? Stromal cells Dendritic cells Kupffer cells NK cells
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
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11
GATE BT 2023 | Question: 9
Which one of the following statements is TRUE about leghemoglobin? It binds oxygen to protect nitrogenase It binds hemoglobin to protect oxygenase It binds oxygen to protect hydrogenase It binds oxygen to protect oxygenase
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
12
GATE BT 2023 | Question: 10
The correct sequence of events during bacteriophage infection of a bacterial cell is landing $\rightarrow$ attachment $\rightarrow$ tail contraction $\rightarrow$ penetration and unplugging $\rightarrow$ DNA ejection attachment $\rightarrow$ ... $\rightarrow$ tail contraction $\rightarrow$ landing $\rightarrow$ penetration and unplugging $\rightarrow$ DNA ejection
admin
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Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
votes
0
answers
13
GATE BT 2023 | Question: 11
Intracellular proteins are targeted for proteolytic degradation in proteasomes upon conjugation with ubiquitin integrin peptidase calreticulin
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
14
GATE BT 2023 | Question: 12
In ELISA, which of the following enzymes are conjugated to antibodies for detection of the analyte? P. Alkaline phosphatase Q. Trypsinase R. Horseradish peroxidase S. Amylase $\mathrm{P}$ and $\mathrm{R}$ $\text{P}$ and $\text{Q}$ $\text{Q}$ and $\text{S}$ $\mathrm{R}$ and $\mathrm{S}$
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
15
GATE BT 2023 | Question: 13
In hybridoma technology, which one of the following enzymes is absent in the myeloma cells that are used for monoclonal antibody production? Hypoxanthine-guanine phosphoribosyltransferase Alanine aminotransferase Triose phosphate isomerase Glycosyltransferase
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
16
GATE BT 2023 | Question: 14
Which of the following methods are used for detection of DNA and RNA, respectively? Southern and Northern blotting Southern and Western blotting Northern and Southern blotting Northern and Western blotting
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
17
GATE BT 2023 | Question: 15
Match the types of RNA in Group I with their corresponding function in Group II. Group I Group II P. mRNA 1. Serves as adaptors between mRNA and amino acids during protein synthesis Q. rRNA 2. Regulates post-transcriptional gene expression R. miRNA 3. Codes for proteins S. tRNA 4. Forms the core of the ... $\text{P-4, Q-3, R-2, S-1}$ $\text{P-2, Q-1, R-4, S-3}$
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
18
GATE BT 2023 | Question: 16
Which one of the following programs is used for finding distantly related (or remote) protein homologs? BLASTN BLASTX PSI-BLAST TBLASTX
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
19
GATE BT 2023 | Question: 17
Which one of the following is used for global alignment of two protein sequences? Chou-Fasman method Garnier-Osguthorpe-Robson (GOR) method Needleman-Wunsch algorithm Smith-Waterman algorithm
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
20
GATE BT 2023 | Question: 20
Fabry disease in humans is a X-linked disease. The probability (in percentage) for a phenotypically normal father and a carrier mother to have a son with Fabry disease is _________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
21
GATE BT 2023 | Question: 21
The value of $\lim _{x \rightarrow 0}\left[\frac{\cos 2 x-\cos 4 x}{x^{2}}\right]$ is ___________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
22
GATE BT 2023 | Question: 22
A series $(\mathrm{S})$ is given as $\mathrm{S}=1+3+5+7+9+\ldots \ldots$ The sum of the first $50$ terms of $\mathrm{S}$ is __________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
23
GATE BT 2023 | Question: 23
Two fair six-sided dice are thrown. The probability of getting $12$ as the product of the numbers on the dice (rounded off to two decimal places) is __________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
–1
vote
0
answers
24
GATE BT 2023 | Question: 24
If $7^{3 x}=216$, the value of $7^{-x}$ (rounded off to three decimal places) is _____________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
25
GATE BT 2023 | Question: 25
The distance between the two points of intersection of $x^{2}+y=7$ and $x+y=7$ (rounded off to two decimal places) is ___________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
26
GATE BT 2023 | Question: 26
Match the immune tolerance mechanisms in Group I with their respective outcomes in Group II. Group I Group II P. Anergy 1. Elimination of activated T-cells after antigen clearance Q. Activation-induced cell death 2. Inhibition of auto-reactive T-cells at periphery R. Receptor editing 3. Unresponsiveness to ... $\text{P-3, Q-4, R-2, S-1}$ $\text{P-3, Q-2, R-4, S-1}$
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
27
GATE BT 2023 | Question: 27
Match the type of bacteria in Group I with their respective growth properties in Group II. Group I Group II P. Halophile 1. Grows optimally between $20^{\circ} \mathrm{C}$ and $45^{\circ} \mathrm{C}$ Q. Piezophile 2. Grows best at low water activity R. Mesophile 3. Grows at high level of salt S. ... $\text{P-3, Q-1, R-2, S-4}$ $\text{P-4, Q-3, R-1, S-2}$
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
28
GATE BT 2023 | Question: 28
Match the virus in Group I with the type of genome it contains in Group II. Group I Group II P. T4 bacteriophage 1. dsRNA Q. SARS-CoV-2 2. ssDNA R. Pseudomonas phage $\phi 6$ 3. dsDNA S. $\phi X 174$ bacteriophage 4. ssRNA $\text{P-3, Q-4, R-1, S-2}$ $\text{P-2, Q-1, R-4, S-3}$ $\text{P-4, Q-3, R-2, S-1}$ $\text{P-1, Q-4, R-2, S-3}$
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
29
GATE BT 2023 | Question: 29
The event(s) that lead(s) to inactivation of tumor suppressor genes in cancer cells is(are) gene amplification promoter methylation loss of heterozygosity histone acetylation
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
30
GATE BT 2023 | Question: 30
Methylation of $\mathrm{CpG}$ islands near the promoter of a gene can inhibit transcription by preventing RNA polymerase binding facilitating repressor binding facilitating heterochromatin formation inducing euchromatin formation
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
31
GATE BT 2023 | Question: 31
Which of the following statement(s) is(are) TRUE about induced pluripotent stem cells? They can self-renew They require specific signals to maintain their stemness They cannot be genetically manipulated They can form organoids in vitro
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
32
GATE BT 2023 | Question: 32
Which of the following statement(s) is(are) TRUE about fluoroquinolone drugs? They contain quinolone ring(s) They inhibit RNA polymerase They bind to bacterial topoisomerase They bind to $23 S$ rRNA within the $50 \mathrm{~S}$ ribosome subunit
admin
asked
in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
33
GATE BT 2023 | Question: 33
Which of the following is(are) plant protoplast fusogenic agent(s)? Sodium nitrate Polyvinyl alcohol Polyethylene glycol Bromoxynil
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
1
vote
0
answers
34
GATE BT 2023 | Question: 34
Direct DNA transfer method(s) used for plant genetic engineering is(are) microparticle bombardment electroporation polyethylene glycol treatment Agrobacterium-mediated transformation
admin
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in
Others
May 21, 2023
by
admin
1.4k
points
gatebt-2023
0
votes
0
answers
35
GATE BT 2023 | Question: 35
Which of the following vector(s) is(are) used to clone a DNA fragment of size $220 \mathrm{~kb}$? Bacterial artificial chromosome Yeast artificial chromosome Cosmids $\text{pUC19}$ plasmid
admin
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in
Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
votes
0
answers
36
GATE BT 2023 | Question: 36
The following reaction represents biomass synthesis from hexadecane ... represents the biomass. The value of respiratory quotient (rounded off to two decimal places) is ___________.
admin
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in
Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
votes
0
answers
37
GATE BT 2023 | Question: 37
Temperature of a reaction with an activation energy value of $15 \mathrm{kcal} \mathrm{mol}^{-1}$ is increased from $300 \mathrm{~K}$ to $310 \mathrm{~K}$. If the value of the ideal gas constant $(\mathrm{R})$ ... $\left(k_{310} / k_{300}\right)$(rounded off to two decimal places) is _____________.
admin
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May 21, 2023
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admin
1.4k
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gatebt-2023
0
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0
answers
38
GATE BT 2023 | Question: 38
E. coli is cultivated in a chemostat operated at a dilution rate of $0.2 h^{-1}$. The values of biomass yield due to oxygen consumption and the steady state biomass concentration are $0.2 g \cdot g^{-1}$ and $10 g \cdot L^{-1}$, respectively. The oxygen transfer rate (in $g \cdot L^{-1} \cdot h^{-1}$) is ______________.
admin
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Others
May 21, 2023
by
admin
1.4k
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gatebt-2023
0
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0
answers
39
GATE BT 2023 | Question: 39
Aqueous two-phase extraction is used to recover } \alpha \text {-amylase from a solution. A polypropylene glycol-dextran mixture is added and the solution separates into upper and lower phases. The partition coefficient is $4.0$ and the ratio of upper ... volume is $5.0$. The enzyme recovery or yield (in percentage, rounded off to the nearest integer) is ______________.
admin
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Others
May 21, 2023
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admin
1.4k
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gatebt-2023
0
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40
GATE BT 2023 | Question: 40
E. coli cultivated at $298 \mathrm{~K}$ uptakes an uncharged compound (A) by passive diffusion. The intracellular and extracellular concentrations of $\mathrm{A}$ are $0.001 \mathrm{M}$ and $0.1 \mathrm{M}$, respectively. If the value of the ... $\mathrm{A}$ (rounded off to two decimal places) is ______________.
admin
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May 21, 2023
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admin
1.4k
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gatebt-2023
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