Recent questions tagged ch12

MS, B5, N6, Nitsch and Whites media are example of

asked Apr 3, 2014 by pady_1

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The culture of unfertilized ovary that develops into a gynogenic plants refer to

asked Apr 3, 2014 by pady_1

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In micropropagation, the term hardening refers to

asked Apr 3, 2014 by pady_1

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During protoplast isolation, after naked protoplast is released in pectinase, cellulase enzyme mixture, it is fused by which substance that gives low toxicity to the cells ?

asked Apr 3, 2014 by pady_1

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In fireflies, the generation of a light flash requires activation of luciferin by an enzymatic reaction involving pyrophosphate cleavage of which molecule to form luciferyl adenylate ?

asked Apr 3, 2014 by pady_1

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Leghemoglobin is used to protect the nitrogenase in the Rhizobium from inactivation by

asked Apr 3, 2014 by pady_1

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For the clinical diagnosis of a myocardial infarction, which enzymes are measured ?

asked Apr 3, 2014 by pady_1

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Which compound stabilizes tubulin in microtubules and promotes polymerization?

asked Apr 3, 2014 by pady_1

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When a carbon atom is linked to four different groups it is said to be chiral carbon atom. when alpha hydrogen atom of an alkane is replaced by a functional group we get corresponding compound. Lowest molecular mass optically active ketone contians ____ carbon atoms?

asked Mar 25, 2014 by balaji.thirumalai

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one of the process employed to introduce a gene from another organism into a cell is

asked Mar 24, 2014 by pady_1

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Restriction ensymes are produced by

asked Mar 24, 2014 by pady_1

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The restriction enzyme cleaves a molecule at

asked Mar 24, 2014 by pady_1

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Insulin is not admininstered orally because

asked Mar 24, 2014 by pady_1

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___ country owns the patent for Basmati rice, neem and turmeric

asked Mar 24, 2014 by pady_1

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The Indian Government has set up __ to monitor the safety and ethical issues related to GMOs

asked Mar 24, 2014 by pady_1

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the milk produced by the first transgenic cow was enriched with

asked Mar 24, 2014 by pady_1

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transgenic animal synthesising ___ is used in the treatment of emphysema

asked Mar 24, 2014 by pady_1

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In response to an infection the host synthesis___

asked Mar 24, 2014 by pady_1

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The presence of antigens is detected in the ELISA assay by screening for a. proteins the foreign organism has sythesised b.the proteins that the body synthesises to cope with the disease c. the DNA that the body synthesises to cope with the disease d.the mutations that occurs in the host cell in response to the infection

asked Mar 24, 2014 by pady_1

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ELISA is based on

asked Mar 24, 2014 by pady_1

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PCR can be used to detect

asked Mar 24, 2014 by pady_1

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To treat ADA the functional cDNA is added to ___

asked Mar 24, 2014 by pady_1

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the disadvantage associated with conventional diagnosis is majorly due to

asked Mar 24, 2014 by pady_1

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the vector that was used in the first gene therapy was

asked Mar 24, 2014 by pady_1

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In gene therapy

asked Mar 24, 2014 by pady_1

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Which of the following can be cured by gene therapy

asked Mar 24, 2014 by pady_1

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The first company to produce recombinant insulin was______

asked Mar 24, 2014 by pady_1

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The first recombinant insulin was synthesised as

asked Mar 24, 2014 by pady_1

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Two plates each of area A, thicknesses L1 and L2 and thermal conductivities K1 and K2 are joined to form a single plate of thickness (L1 + L2). If the temperatures of the free surfaces are T1 and T2,Find the equivalent thermal conductivity:

asked Mar 10, 2014 by balaji.thirumalai

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Two plates each of area A, thicknesses L1 and L2 and thermal conductivities K1 and K2 are joined to form a single plate of thickness (L1 + L2). If the temperatures of the free surfaces are T1 and T2, Find the temperature of interface:

asked Mar 10, 2014 by balaji.thirumalai

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Two plates each of area A, thicknesses L1 and L2 and thermal conductivities K1 and K2 are joined to form a single plate of thickness (L1 + L2). If the temperatures of the free surfaces are T1 and T2, Find the rate of flow of heat:

asked Mar 10, 2014 by balaji.thirumalai

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Which of the following statement is not correct ?

asked Mar 6, 2014 by meena.p

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The bonds between carbon atom (1) and carbon atom (2) in compound $N \equiv C-CH =CH_2$ involves the hybrid is :

asked Mar 6, 2014 by meena.p

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The change in the state of hybridization of the asterisked carbon in the following reaction :

asked Mar 6, 2014 by meena.p

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Which of the following statement is false about an electrophile ?

asked Mar 6, 2014 by meena.p

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The correct IUPAC name for the following compound is :

asked Mar 6, 2014 by meena.p

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An organic compound contains carbon, hydrogen and oxygen . Its elemental analysis gave C, $38.71\%$ and $H, 9.67 \%$ The empirical formula of the compound would be

asked Mar 6, 2014 by meena.p

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Consider the following organic compound. To make it a chiral compound. The attack should be on which carbon?

asked Mar 5, 2014 by meena.p

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Total number of isomers of $C_4H_{10}O$ will be

asked Mar 5, 2014 by meena.p

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The total number of isomers for $C_4H_8$ is

asked Mar 5, 2014 by meena.p

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The two isomers given below are :

asked Mar 5, 2014 by meena.p

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Structures , $CH_3COCH_3$ and $CH_2 =CH (OH) CH_3$ represent

asked Mar 5, 2014 by meena.p

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The number of enantiomers of the compound $CH_3CHBrCHBrCOOH$ is

asked Mar 5, 2014 by meena.p

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Which of the following will have a meso- isomer also ?

asked Mar 5, 2014 by meena.p

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which among the following is likely to show geometrical isomerism ?

asked Mar 5, 2014 by meena.p

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Most stable carbanion is

asked Mar 5, 2014 by meena.p

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The arrangement of $(CH_3)_3C-,(cH_3)_2CH-,CH_3CH_2-$ when attached to benzene or an unsaturated group, in increasing order of inductive effect is

asked Mar 5, 2014 by meena.p

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Which of the following compounds is not chiral ?

asked Mar 5, 2014 by meena.p

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In triplet carbenes, the two electrons

asked Mar 5, 2014 by meena.p

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Acetaldehyde is the rearranged product of

asked Mar 5, 2014 by meena.p

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