One gene one enzyme’ theory was proposed by
(A) Beadle and Tatum
(B) Meselson and Stahl
(C) Baltimore and Temin
(D) Avery and Mc Carty
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(A) according to electromagnetic theory an accelerated particle continuously emits radiation. (R) according to classical theory, the proposed path of
Correct Answer - C According to classical electronmagnetic theory, an accelerated charge continuously emits radiation. As electrons revolving in circular paths are constantly experiencing centripetal acceleration,hence thay will be losing their...
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Einstein in `1905` proppunded the special theory of relativity and in `1915` proposed the general theory of relativity. The special theory deals with
Correct Answer - B Ralative speed `= ((u+v)/(1+(uv)/(c^(2))))= (0.9c + 0.5c)/(1+((0.9c)(0.5c))/(c^(2))) = (1.4c)/(1.45) = 0.9655c`
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When McLeod, Avery and McCarty experimented to establish the chemical nature of the 'Transforming Principle',
B. only 1 and 3
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de Broglie proposed dual nature for electron by putting his famous equation `lambda = (h)/(mv).` Later on, Heisenberg proposed uncertainty principle a
Correct Answer - D `Deltax=(h)/(4pi Me)xx1/(DeltaV)" "DeltaV=V 0.001/100=300xx10^(-5) m//s` `Deltax=5.8xx10^(-5)xx1/(300xx10^(-5))=1.92xx10^(-2) m`
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Which enzyme/s will be produced in a cell in which there is a nonsese mutation in the lac Y gene
Correct Answer - A `beta` - galactosidase is a structural gene , which carry codes for the synthesis of protein Multation in the lac Y gene of E. coli needs residues...
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One gene - one enzyme relationship was established for the first time on
Correct Answer - A One gene- one enzyme relationship was intially proposed by Beadle and Tatum based on their experiments conducted on Neurospora crassa . They were awarded by Nobel Prize...
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Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if: (a) Mutation in the gene that codes for an enzyme phen
(a) Phenylalanine hydroxylase converts amino acid phenylalanine into another amino acid, tyrosine. It due to mutation, phenylalanine hydroxylase (PAH) does not form, Phenylalanine `overset("PAH")rarr` Tyrosine It leads to buildup of...
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(a) A recombinant vector with a gene of interest inserted within the gene of beta-galactosidase enzyme, is introduced into a bacterium. Explain the me
a) A recombinant DNA is inserted within the coding sequence of an ezymG h-galactosidase, which results into inactivation of the enzyme. This method of separation of recombinant. clones from non...
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“SQPecific Bt Toxin gene is incorporated into cotton plant so as to control infestation of Bollworm”. Mention the organism from which the gene was iso
SQPecific Bt toxin genes isolated from Bacillus thuringiensis is incorporated into cotton is coded by the genes cryIAc and cryIIAb that control the cotton bollworms • Bacillus forms protein crystals...
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……… proposed continental drift theory.
Wagener proposed continental drift theory.
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