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what is DNA fingerprinting?
If E.Coli was allowed to grow for 80 minutes then what would be the proportions of light and hybrid densities DNA molecules?
if the length of E.coli DNA is 1.36mm, calculate the no.of base pairs in E.coli
Why do RNA viruses mutate faster than other viruses?
A tRNA is charged with amino acid methionine. is) At what site in the ribosome will the tRNA bind? ii) Give the anticodon of this tRNA? iii) What is the mRNA codon for methionine?
EXPLAIN the process of transcription in bacteria with diagram.
A tRNA is charged with the amino acid methionine
1. at which site in the ribosome will tRNA bind
2. give the anticodon of this tRNA
3. what is the mRNA codon for methionine.
4.name the enzyme responsible for this binding....
what is oblique binary fission .Explain the mechanism of this type of fission taking the example of Ceratium??????????
Why the distance b/w two polynucleotide chains in DNA remains constant?
why is DNA a better genetic material than RNA?
what is difference between vntr and a probe?
tell me the concept of lac operon?
Why the distance between two polynucleotide chains remain constant...??
How many nucleosomes are there in a mammalian cell?
i want three differance between DNAs and DNase? with proper explaination.
plz explain phosphoester and phosphodiester bond..? and whay do you mean that phosphate group attaches to 5'-OH of nucleoside to form nucleotide..???
1)why does DNA replication occur in small replication forks not in its entire length? 2)why is DNA replication continuous and discontinuous in a replication fork? 3)explain the importance of "origin of replication" in a replication fork.
explain the process of transcription in eukaryotes with diagram.
what is bulk DNA and satellite DNA?
'A protein acquires charge depending upon the abundance of amino acid residues with charged side chain.' Explain.
why the distance between two polynucleotide chains in dnaemains almost constant?
A t - RNA is charged with the amino acid methionine.
i) Give the anti - codon of this t - RNA.
ii) Write the Codon for methionine.
iii) Name the enzyme responsible for binding of amino acid to t - RNA
What is the difference between polycistronic and monocistronic ?
write a note on human genome project? (5 MARKS QUESTION)
kindly answer as we have to write it in exams which could fetch us maximum marks. i.e. in points or paragraph?
rnWhat is DNA polymorphism? Why is it important to study it?rn
What is DNA polymorphism? Why is it important to study it?
what is chromatin
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why galactose or glucose cannot act as inducer in lac operon???
please explain the messelson and stahl's experiment
3 codons on mRNA are not recognised by tRNA what are they? what is general term used for them?what is their role in protein synthesis?
WHAT U MEAN BY DNA FINGERPRINTING?EXPLAIN
PLZ XPLAIN BARR BODY..?
A geneticist isolates a gene for a specific traits under study, she also isolate the corresponding mRNA. Upon comparison, the mRNA is found to contain 1,000 fewer bases than the DNA sequence. Did the geneticist isolate the wrong DNA?
(a) Yes, mRNA is made from a DNA template and should be the same length as the gene sequence. (b) Yes, the mRNA should contain more bases than the DNA sequence because bases flanking the gene are also transcribed. (c) No, the final mRNA contains only exons, the introns were removed. (d) No, the mRNA was partially degraded after it was transcribed.
what is splicing?why is it necessary in eukaryotes cells?
Due to an error during transcription ATG of DNA formed UAG in mRNA.What would happen to polypeptide chain
during translation by this changed mRNA?
what is the similarities between DNA polymerase and RNA polymerase
The length of DNA in an eukaryotic cells is N 2.2 m How can such a huge DNA is packaged in a nucleus of micrometer in diameter ?
What is Euchromatin and Heterochromatin ?
what is the difference between cistron and operon.
Explain 'Transforming Principle' in Griffith experiment,'S strain and R strain' in griffith experiment?
what is meant by capping and tailing in transcription process in eukaryotes?
explain the role of 35s and 32p in the experiments conducted by hershey and chase
briefly explain me the process of DNA replication, transcription and translation.
The two polynucleotide chains are coiled in a right handed fashion. What does this statement actually means ?
how is lac operon switches on and off .how does it sfunctions are activated and inhibited
A tRNA is charged with the amino acid methionine.
(i) Give the anti-codon of this tRNA.
(ii) Write the Codon for methionine.
(iii) Name the enzyme responsible for binding of amino acid to tRNA.
what is satellite dna in a genome?explain their role in dna finger printing?
In prokaryotes well defined nucleus is absent and DNA is scattered bt in our ncert text book it is given that DNA is not scattered throughout the cell,...its tooo confusing...what to refer plzz help me out..!!!
why thymine is more stable than uracil????
what is the difference between coding and non coding strands?
when and what end does the tailing of hnRNA take place?
the length of a DNA molecule in a typical mammalian cell is calculated to be approximately 2.2 metres.how is the packaging of this long molecule done to accomodate it within nucleus having dimensions in micrometer?
if ecoli was allowed to grow for 80 minutes then what would be the propotion of light and hybrid density of Dna molecule?
pls explain replication of dna and semiconservative nature of dna i detail?
what you mean by saying haploid content of human dna is 3.3*109 base pairs?
DNA is unzipped twice ina cell.Name the 2 diifrent events which can occur and the enzyme s responisble for it?
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what are the two functions of DNA polymerase?
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