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Place the following event of translation...

Place the following event of translation in the correct sequence. (i) Binding of met-tRNA to the start codon. (ii) Covalent bonding between two amino acids. (iii) Binding of second tRNA (iv) Joining of small and large ribosome subunits.

A

(iii), (iv), (i), (ii)

B

(i), (iv), (iii), (ii)

C

(ii), (iii), (iv), (i)

D

(iv), (i), (iii), (ii)

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Information about protein synthesis is stored in the DNA. Proteins are synthesized by DNA through RNA. This is also known as the central dogma of life. The nucleotide sequences of the mRNA produced are complementary to the DNA strand that is uded as the template for synthesis. This process of synthesis of RNA from DNA is known as transcription. The code for each amino acid consists of three nucleotides (triplet codon) that are present on the mRNA. The tRNA has an anticodon sequence complementary to the cofon on the mRNA. During translation, the code on mRNA is read nad respective amino acids brought by tRNA are joined together by peptide bonds. Based on the given paragraph, answer the followig question: i. If 3'-AACGT-5' is a sequence of the template DNA strand, what would be the nucleotide sequence of the corresponding mRNA synthesized from it? ii. What is the difference in nitrogeneous bases of DNA and RNA? iii. Which enzyme woud be required for the synthesis of RNA from DNA during transcription? iv. How many amino acids can the following mRNA sequence code for ? 5'-UUCAGCCGUGUCAUU-3' v. What is the function of mRNA in translation?

CHETANA PUBLICATION-MOLECULAR BASIS OF INHERITANCE -Exercise
  1. How many codons are needed to specify three amino acid?

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  2. Which out of the following is NOT an example of inducible operon?

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  3. Place the following event of translation in the correct sequence. (i) ...

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  4. In protein synthesis a polypeptide of five aminoacids is synthesized. ...

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  5. Which of the following codon do not code for Valine (Val)?

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  6. The genetic code is correct- (i) Universal (ii) Commaless (iii) Degene...

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  7. The coding sequeces in split genes are called

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  8. Strucutral genes of lac operon has the following sequence

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  9. At which level the control of gene expression takes place-

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  10. DNA profiling is done by -

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  11. One requires.............. as a scientific key to understand biology o...

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  12. Histone octomer is composed of ................. histones repeated twi...

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  13. Human Genome Project created a new field in biology called as-

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  14. Which of the following is odd in reference to genetic code?

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  15. State the correct sequences of techniques used during DNA fingerprinti...

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  16. Which of the following is wrongly matched?

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  17. Which one of the codon is not an indicator of completion of protein sy...

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  18. Nucleosome contains- (i) RNA (ii) DNA (iii) Histones (iv) All of these

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  19. Transcription and translation of a gene composed of 30 nucleotides wou...

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  20. Nucleosome core consists of ................

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