Recent questions in Others / GO BioTechnology

0 votes

0 answers

521

GATE2013-28
Determine the correctness or otherwise of the following $\text{Assertion (a)}$ and $\text{Reason (r)}.$ $\text{Assertion:}$ Immobilization of plant cells can enhance secondary metabolite production during bioreactor cultivation. $\text{Reason:}$ Immobilization protects the plant cells from shear forces in ... for $(a)$ $(a)$ is true but $(r)$ is false $(a)$ is false but $(r)$ is true

Determine the correctness or otherwise of the following $\text{Assertion (a)}$ and $\text{Reason (r)}.$$\text{Assertion:}$ Immobilization of plant cells can enhance secon...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

522

GATE2013-21
A callus of $\text{5 g}$ dry weight was inoculated on semi-solid medium for growth. The dry weight of the callus was found to increase by $1.5$ fold after $10$ days of inoculation. The growth index of the culture is ____________.

A callus of $\text{5 g}$ dry weight was inoculated on semi-solid medium for growth. The dry weight of the callus was found to increase by $1.5$ fold after $10$ days of in...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

523

GATE2013-24
Calculate the percentage sequence identity for the pairwise alignment given below. ______________ $\text{HELLO-}$ $\text{YELLOW}$

Calculate the percentage sequence identity for the pairwise alignment given below. ______________$\text{HELLO-}$$\text{YELLOW}$

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

524

GATE2013-25
In a batch culture, the specific rate of substrate utilization is $\text{0.25 g (g cell mass)}$^{-1} h^{-1}$ and specific rate of product formation is $\text{0.215 g (g cell mass)}$^{-1}h^{-1}$ . Calculate the yield of product from the substrate$(Y_{p/s})$._______________

In a batch culture, the specific rate of substrate utilization is $\text{0.25 g (g cell mass)}$$^{-1} h^{-1}$ and specific rate of product formation is $\text{0.215 g (g ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

525

GATE2012-50
Answer the question based on the information given below: The purification data for an enzyme is given below: ... $P-1, Q- 6.6, R-8.4, S- 12.6$ $P-100, Q- 66 , R-84, S- 12$

Answer the question based on the information given below:The purification data for an enzyme is given below:$\begin{array}{|l|l|l|l|l|l|} \hline & \text{Step} & \text{Vol...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

526

GATE2012-51
Answer the question based on the information given below: The purification data for an enzyme is given below: ... $\text{P-3.4, Q-2.4, R-1.5, S-0.1}$ $\text{P-100, Q-71, R-44, S-29}$

Answer the question based on the information given below:The purification data for an enzyme is given below:$\begin{array}{|l|l|l|l|l|l|} \hline & \text{Step} & \text{Vol...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

527

GATE2012-52
$\text{Statement for Linked Answer Questions 52 and 53:}$ An E $coli$ cell of volume $10^{-12}$ $cm^3$ contains 60 molecules of lac-repressor. The repressor has a binding affinity (${K_d}$) of $10^{-8}$ M and $10^{-9}$ M with and without lactose respectively, in the ... The molar concentration of the repressor in the cell 15 $\text{0.1 nM}$ $\text{1 nM}$ $\text{10 nM}$ $\text{100 nM}$

$\text{Statement for Linked Answer Questions 52 and 53:}$An E $coli$ cell of volume $10^{-12}$ $cm^3$ contains 60 molecules of lac-repressor. The repressor has a binding ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

528

GATE2012-53
$\text{Statement for Linked Answer Questions 52 and 53:}$ An E $coli$ cell of volume $10^{-12}$ $cm^3$ contains 60 molecules of lac-repressor. The repressor has a binding affinity (${K_d}$) of $10^{-8}$ ... operon is repressed and can only be induced with lactose repressed and cannot be induced with lactose not repressed expressed only when glucose and lactose are present

$\text{Statement for Linked Answer Questions 52 and 53:}$An E $coli$ cell of volume $10^{-12}$ $cm^3$ contains 60 molecules of lac-repressor. The repressor has a binding ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

529

GATE2012-54
$\beta$-Galactosidase bound to DEAE-cellulose is used to hydrolyze lactose to glucose and galactose in a plug flow bioreactor with a packed bed of volume $100$ liters and a voidage ($\epsilon$) of $0.55$. The $K'_m$ and $V'_m$; for the immobilized enzyme are $0.72 \: gl^{-1}$ and ... time required for the steady state reactor operation will be $0.1 \: h$ $0.4 \: h$ $1.0 \: h$ $1.1 \: h$

$\beta$-Galactosidase bound to DEAE-cellulose is used to hydrolyze lactose to glucose and galactose in a plug flow bioreactor with a packed bed of volume $100$ liters and...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

530

GATE2012-55
$\beta$-Galactosidase bound to DEAE-cellulose is used to hydrolyze lactose to glucose and galactose in a plug flow bioreactor with a packed bed of volume $100$ liters and a voidage ($\epsilon$) of $0.55$. The $K'_m$ and $V'_m$; for the immobilized enzyme are $0.72 \: gl^{-1}$ ... the above bioconversion will be $50 \: lh^{-1}$ $55 \: lh^{-1}$ $137 \: lh^{-1}$ $550 \: lh^{-1}$

$\beta$-Galactosidase bound to DEAE-cellulose is used to hydrolyze lactose to glucose and galactose in a plug flow bioreactor with a packed bed of volume $100$ liters and...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

531

GATE2012-43
Match the high energy compounds in $\text{Group I}$ with the biosynhetic pathways for the molecules in $\text{Group II}$ ... $\text{P-2, Q-4, R-3, S-1}$ $\text{P-4, Q-3, R-1, S-2}$ $\text{P-3, Q-4, R-2, S-1}$

Match the high energy compounds in $\text{Group I}$ with the biosynhetic pathways for the molecules in $\text{Group II}$.$\begin{array}{|l|l|l|l|} \hline & \text{Group I...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

532

GATE2012-44
Match the vitamins in $\text{Group I}$ with the processes/reactions in $\text{Group II}$ ... $\text{P-4, Q-2, R-1, S-3}$ $\text{P-2, Q-1, R-3, S-5}$

Match the vitamins in $\text{Group I}$ with the processes/reactions in $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \text{Group I} && \text{Group II} \\ \hline P. ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

533

GATE2012-46
An enzymatic reaction is described by the following rate expression. $v = \frac{v_mS}{K_m+S+S^2/K_s},$ Which one of the following curves represents this expression?

An enzymatic reaction is described by the following rate expression.$$v = \frac{v_mS}{K_m+S+S^2/K_s},$$Which one of the following curves represents this expression?

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

534

GATE2012-47
A bacterial culture ($200 \: \mu l$ containing $1.8 \times 10^9$ cells) was treated with an antibiotic $Z$ ($50 \: \mu g$ per $ml$) for $4$ h at $37^\circ C$. After this treatment, the culture was divided into two equal ... , whereas the Set B plate showed $0.9 \times 10^9$ cells. This experiment showed that the antibiotic $Z$ is bacteriostatic bacteriocidal bacteriolytic apoptotic

A bacterial culture ($200 \: \mu l$ containing $1.8 \times 10^9$ cells) was treated with an antibiotic $Z$ ($50 \: \mu g$ per $ml$) for $4$ h at $37^\circ C$. After this ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

535

GATE2012-48
In a muscle, the extracellular and intracellular concentrations of ${Na^+}$ are $150 \text{ mM}$ and $12 \text{ mM}$, and those of ${K^+}$ are $2.7 \text{ mM}$ and $140 \text{ mM}$, respectively. Assume that the temperature is ${25^\circ C}$ ... the cell is $+1.5 \text{ kJ/mol}$ $+17.4\text{ kJ/mol}$ $+18.9 \text{ kJ/mol}$ $+36.3 \text{ kJ/mol}$

In a muscle, the extracellular and intracellular concentrations of ${Na^+}$ are $150 \text{ mM}$ and $12 \text{ mM}$, and those of ${K^+}$ are $2.7 \text{ mM}$ and $140 \...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

536

GATE2012-49
$\text{Common Data Questions}$ $\text{Common Data for Questions 48 and 49}$: In a muscle, the extracellular and intracellular concentrations of ${Na^+}$ are $\text{150 mM}$ and $\text{12 mM}$, and those of ${K^+}$ are $\text{2.7 mM}$ and $\text{140 mM}$, respectively. Assume that ... into the cell is $\text{+8.0 kJ/mol}$ $\text{+11.6 kJ/mol}$ $\text{+19.6 kJ/mol}$ $\text{+31.2 kJ/mol}$

$\text{Common Data Questions}$$\text{Common Data for Questions 48 and 49}$:In a muscle, the extracellular and intracellular concentrations of ${Na^+}$ are $\text{150 mM}$...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

537

GATE2012-35
Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r). $Assertion:$ Plants convert fatty' acids into glucose. $Reason:$ Plants have peroxisomes. Both (a) and (r) are true and (r) is not the correct reason for (a) Both (a) and (r) are true and (r) is the correct reason for (a) (a) is true but (r) is false (a) is false but (r) is true

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ Plants convert fatty' acids into glucose. $Reason:$ Plants have ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

538

GATE2012-36
Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r). $Assertion:$ In direct somatic embryogenesis, embryos are developed without going through callus formation. $Reason:$ This is possible due to the presence of pre-embryonically determined cells. Both (a) ... ) is true but (r) is false Both (a) and (r) are true and (r) is the correct reason for (a)

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ In direct somatic embryogenesis, embryos are developed without going...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

539

GATE2012-37
Match the entries in $\text{Group I}$ with the process parameters in $\text{Group II}$ ... $\text{P_4, Q-2, R-3, S-1}$ $\text{P-2, Q-4, R-1, S-3}$ $\text{P-2, Q-1, R-4, S-3}$

Match the entries in $\text{Group I}$ with the process parameters in $\text{Group II}$.$\begin{array}{|C|l|C|l|} \hline &\textbf{Group I} & {} & \text{Group II} \\\hline ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

540

GATE2012-38
Match the downstream processes in $\text{Group I}$ with the products in $\text{Group II}$ ... $\text{P-4, Q-1, R-3, S-2}$ $\text{P-2, Q-4, R-1, S-3}$

Match the downstream processes in $\text{Group I}$ with the products in $\text{Group II}$.$\begin{array}{|C|l|C|l|} \hline& \textbf{Group I} & {} & \textbf{Group II} \\\h...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

541

GATE2012-39
Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r). $Assertion:$ Cell mass yield of a methylotrophic yeast is more on methanol compared to glucose. $Reason:$ Methanol has a greater degree of reductance compared to glucose. Both (a) and (r) are ... (a) is false, (r) is correct Both (a) and (r) are correct but (r) is not the correct reason for (a)

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ Cell mass yield of a methylotrophic yeast is more on methanol compar...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

542

GATE2012-41
Match the organisms in Group I with the entries in Group II. ... $\text{P-5, Q-4, R-2, S-3}$ $\text{P-3, Q-2, R-1, S-4}$

Match the organisms in Group I with the entries in Group II.$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I}. && \textbf{Group II} \\ \hline P. & \textit{Clostridium...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

543

GATE2012-42
Match the entries in $\text{Group I}$ with the methods of sterilization in $\text{Group II}$ ... $\text{P-1, Q-4, R-5, S-3}$ $\text{P-2, Q-1, R-4, S-3}$ $\text{P-4, Q-1, R-3, S-5}$

Match the entries in $\text{Group I}$ with the methods of sterilization in $\text{Group II}$$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \text{Group II} \\ \h...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

544

GATE2012-28
Match the entries in $\textbf{Group I}$ with those in $\textbf{Group II}$ ... $\text{P-2, Q-4, R-1,S-3}$ $\text{P-2, Q-3, R-4, S-1}$ $\text{P-4, Q-2, R-1, S-3}$

Match the entries in $\textbf{Group I}$ with those in $\textbf{Group II}$.$\begin{array}{|c|l|c|l|}\hline &\textbf{Group I} & {} & \textbf{Group II} \\\hline P. & \text{M...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

545

GATE2012-29
In an exponentially growing batch culture of $\text{Saccharormyces cerevisiae}$, the cell density is 20 ${gl^{-1}}$ (DCW), the specific growth rate ($\mu$) is 0.4 ${h^{-1}}$ and substrate uptake rate (v) 1s 16 $gl^{-1}h^{-1}$. The cell yield coefficient $Y_{x/9}$, will be 0.32 0.64 0.80 0.50

In an exponentially growing batch culture of $\text{Saccharormyces cerevisiae}$, the cell density is 20 ${gl^{-1}}$ (DCW), the specific growth rate ($\mu$) is 0.4 ${h^{-1...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

546

GATE2012-30
A single base pair of DNA weighs $1.1 \times 10^{-21}$ grams. How many picomoles of a plasmid vector of length $2750$ bp are contained in 1 $\mu$g of purified DNA? $0.30$ $0.55$ $0.25$ $0.91$

A single base pair of DNA weighs $1.1 \times 10^{-21}$ grams. How many picomoles of a plasmid vector of length $2750$ bp are contained in 1 $\mu$g of purified DNA?$0.30$$...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

547

GATE2012-31
Match the terms in $\textbf{Group I}$ with the ploidy in $\textbf{Group II}$ ... $\text{P-4, Q-3, R-1, S-2}$ $\text{P-2, Q-3, R-4, S-1}$ $\text{P-l, Q-4, R-3, S-2}$

Match the terms in $\textbf{Group I}$ with the ploidy in $\textbf{Group II}$.$\begin{array}{|C|l|C|l|} \hline &\textbf{Group I} & {} &\textbf{Group II} \\\hline P. &\text...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

548

GATE2012-33
Match the products in $\text{Group I}$ with the applications in $\text{Group II}$ ... $\text{P-3, Q-4, R-1, S-2}$ $\text{P-2, Q-3, R-1, S-4}$

Match the products in $\text{Group I}$ with the applications in $\text{Group II}$.$\begin{array}{|C|l|C|l|} \hline &\textbf{Group I} & {} &\textbf{Group II} \\\hline P. ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

549

GATE2012-34
Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r). $Assertion:$ The production of secondary metabolites in plant cell cultures is enhanced by the addition of elicitors. $Reason:$ Elicitors induce the expression of enzymes responsible for the biosynthesis of ... is the correct reason for (a) (a) is true but (r) is false (a) is false but (r) is true

Determine the correctness or otherwise of the following $Assertion$ (a) and $Reason$ (r).$Assertion:$ The production of secondary metabolites in plant cell cultures is en...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

550

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...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

551

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 ...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

552

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...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

553

GATE2012-24
The molarity of water in a water : ethanol mixture ($15 : 85$, v/v) is approximately $0.85$ $5.55$ $8.5$ $55.5$

The molarity of water in a water : ethanol mixture ($15 : 85$, v/v) is approximately$0.85$$5.55$$8.5$$55.5$

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

554

GATE2012-25
The helix content of a protein can be determined using an infrared spectrometer a fluorescence spectrometer a circular dichroism spectrometer a UV-Visible spectrophotometer

The helix content of a protein can be determined usingan infrared spectrometera fluorescence spectrometera circular dichroism spectrometera UV-Visible spectrophotometer

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

555

GATE2012-26
Which one of the following DNA sequences carries an invert repeat? ATGAGCCCCGAGTATACTCGGGGCTCAT ATGAGCCGGCTCTATACTCGGCCGAGAT ATGAGCCGAGCCTAACTCGGCTCGGAT ATGAGCCTATGGTATACTCGGATACCAT

Which one of the following DNA sequences carries an invert repeat?ATGAGCCCCGAGTATACTCGGGGCTCATATGAGCCGGCTCTATACTCGGCCGAGATATGAGCCGAGCCTAACTCGGCTCGGATATGAGCCTATGGTATACTCGG...

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

556

GATE2012-27
In zinc finger proteins, the amino acid residues that coordinate zinc are Cys and His Asp and Glu Arg and Lys Asp and Arg

In zinc finger proteins, the amino acid residues that coordinate zinc areCys and HisAsp and GluArg and LysAsp and Arg

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018

0 votes

0 answers

557

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

0 votes

0 answers

558

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

0 votes

0 answers

559

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

0 votes

0 answers

560

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

Milicevic3306

7.9k points

Milicevic3306 asked Mar 25, 2018