Recent questions tagged aipmt

in prokaryotes the control of transcription occurs majorly at

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lactose upon the action of bea-galactosidase is cleaved into

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UTRs are a.present at 5' end b. at the 3' end c.both 5' and 3'end d. are required for efficient translation

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____ subunit of the ribosome encounters the mRNA

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the charging of tRNA occurs enables

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___ do not have specific no tRNA molecules

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the proof for the triplet code can be understood by

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the genetic code is

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the proof for the triplet code came from the experiments conducted by

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George Gamow rgues the existence of only__ codons

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which of the following is true : In bacteria a. mRNA requuires no post-processing b.translation may proceed alongside transcription c.transcription and translation take place in the same compartment d.

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presence of intervening regions between the coding regions of DNA is the characteristic of a

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Eukaryotes are generally while prokaryotes are _

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regulatory sequences are present ___ with respect to the promoter

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__ binds in the promoter region

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the location of the promoter gene in a transcriptional unit is

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write the corresponding RNA sequence for 3' ATGCATG 5'

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_ is called the template strand and is called the coding strand

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if transcription involved both the strands of DNA

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the transcription unit in DNA is defined by

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Which of the following is true: Replicatiion a. can originate at only specific points b.canbe inititated by DNA polymerases c.takes place at the S phase

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In replication, strand is continuous and is discontinous

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the DNA dependent DNa polymerases act from

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the procoess of repplication is a. fast b. accurate c. energetically demanding d. discontinuous on both strands

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to prove that the DNA in the chromosomes replicate semiconservatively, the experiment was carried out using

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The following is the test-tube contaning DNA from Meeselson and Stahl experiment. Find out what a,b and c could be:

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the time taken for Ecoli to divide is

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In the experimental proof of the replication model of DNA, the radiolabelled DNA was seperated from the non-radiolabeled ones by

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the experimental proof of the replication model of DNA was carried out by

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the model of replication proposed by Watson and crick was called

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the stabiliy of DNA over RNA and the mechanism of DNA repair can be explained in the light of

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storage of genetic information is best handled by and the transmission of genetic information is best carried out by _

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in the experiment by the Hershey and Chase, the supernatant contained _ and the cell extract contained __

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the natural selection of the DNA as genetic material over RNA could be due to a. stablity of DNA over RNA b. rate of mutation for DNA being slower c. complementart base piring exclusive to DNA d. presence of thymine over uracil

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the genetic material in viruses is

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the underlying difference that helped Hershey and Chase establish their hypothesis was

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the transformed live R bacteria

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The coat of the virulent bacteria is made up of

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The S strain is_ and is because of __

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The implication of the discoveries by Gregor Mendel, W alter Sutton, Thomas Hunt Morgan

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higher order of chromatin packing requires

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nucleosomes can be visualised under

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histones are organised as

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the protein bound to DNA must be

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in the prokaryotes the DNA is

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if the length of DNA is 1.5 mm, what is the size of the genome of the organism?

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The central dogma of molecular biology is as proposed by Francis Crick is

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the 5' end of DNA has_ while the 3' end has

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two nucleotides are linked by a

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the only way to distinguish klinefelters from tuners syndrome is

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