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State the roles of AUG codon at 5' end U...

State the roles of AUG codon at 5' end UAG at 3' end of a certain m-RNA during translation.

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The role of AUG codon at 5' end as start codon UAG codes for stop codon at 3' end of a certain m-RNA during translation. They are required for efficient translation process.
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Which of these statements about protein synthesis are NOT correct ? I. During transcription, mRNA synthesized from DNA nucleotides to have the same sequence of nucleotides as the DNA strand on which it was made. II. During transcription , tRNA is synthesized from RNA nucleotides and carries codons that are complementary to the sequence of nucleotides on the DNA strand on which it was made. III. During translation, mRNA is synthesized from RNA nucleotides to have the complementary sequence of nucleotides to that. Of the DNA strand on which it was made . IV. During translation ribosomes move on mRNA from '5' and '3' one codon at a time .This is called translocation

Mention the role of the codons AUG and UGA during protein synthesis.

What do you understand by 5' end and 3 end?

Select the correct statements regarding the process of transcription in eukaryotes. (i) The strand of dsDNA which takes part in transcription process is called as coding strand. (ii) The enzyme RNA polymerase can catalyse polymerisation only in one direction i.e. , 5' rarr 3' . (iii) An unusual nucleotide methyl guanosine triphosphate is added to the 5' end of hnRNA during capping. (iv) During tailing process, adenylate residues (200-300) are added at 3' end in a template independent manner.

A clean body of mass 100 g starts with a velocity of 2 m/s on a smooth horizontal plane, accumulating dust at the rate of 5 g/s. Find the velocity at the end of 20 seconds and the distance travelled during that period.

A metallic metre stick translates in a direction making an angle of 60^(@) with its length.The plane of motion is perpendicular to a uniform magnetic field of 0.1 T that exists in the space.Find the emf induced between the ends of the rod if the speed of translation is 0.2 m//s .

A person invests Rs. 5,000 for two years at a certain rate of interest compound annually. At the end of one year, this sum amounts to Rs. 5,600. Calculate. (i) the rate of interest per annum. (ii) the amount at the end of the second year.

If the base sequence of a codon in mRNA is 5'-AUG-3' , the sequence of tRNA pairing with it must be

If the base sequence of a codon in mRNA is 5'-AUG-3' , the sequence of tRNA pairing with it must be

If the base sequence of a codon in mRNA is 5'-AUG-3' , the sequence of tRNA pairing with it must be

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-B
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  15. State the roles of AUG codon at 5' end UAG at 3' end of a certain m-RN...

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  17. Both nucellus and endosperm have abundant reserve food materials. How ...

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