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mRNA overset(AUG UUU AUG C CU GUU UCU UA...

`mRNA overset(AUG UUU AUG C CU GUU UCU UA A)to`
Polypeptide Met-Phe-Met-Pro-Val-Ser
Nucleotide sequence of the DNA strand from which this mRNA was transcribed is

A

TAC A A A TAC GGA C A A AGA ATT

B

AUG UUU AUG C CU GUU UCU U A A

C

UAC A A A UAC G GA C A A AGA AUU

D

ATG TTT ATG C CT GTT TCT TA A

Text Solution

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The correct Answer is:
a
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mRNA overset(AUG UUU AUG C CU GUU UCU UA A)to Polypeptide Met-Phe-Met-Pro-Val-Ser Which codons respectively code for proline and valine amino acids in the given polypeptide chain, respectively ?

AUG GAC CUG AUA UUU UGA is the base sequence in a strand of m-RNA. (i) Write the base sequence of the DNA strand from which it has been transcribed. (ii) Upon translation, how many amino acids will be the resulting peptide have?

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

Given below are the sequence of nucleotides in a particular mRNA and amino acids coded by it: UUUAUGUUCGAGUUAGUGUAA Phe-Met-Phe-Glu-Leu-Val Write the properties of genetic code that can be and that cannot be correlated from the above given data.

Identify the sequence of mRNA from the given sequence of coding strand of DNA. 5' T A C G T A G 3'

What is the amino acid sequence in the polypeptide segment translated from mRNA strand with base sequence of UCU-UGG-UGC-UGU-GGU?

Following are the stages in the cellular synthesis of a protein. I. Movement of mRNA from the nucleus to cytoplasm. II. Linking of adjacent amino acid molecules. III. Transcription of mRNA from a DNA template. IV. Formation of the polypeptide chain. V. Attachment of the mRNA strand to a ribosome. In which order do these stages take place?

The following features occur during protein synthesis: (a) Movement of mRNA from the nucleus into the cytoplasm, where it binds to the ribosomes (b) Formation of tRNA-amino acid complex (c) Transcription of specific segments of DNA into mRNA molecules in the nucleus (d) Binding of N-terminal amino acid, methionine tRNA to the 'P' site of the ribosome. The tRNA anticodon 'pairs with AUG on mRNA' (e) Formation of peptide bond between first and second amino acids at the A site (f) Release of the complete polypeptide chain from mRNA and the ribosomes (g) Migration of dipeptide to form a tripeptide and then a polypeptide The correct order of events is:

NCERT FINGERTIPS-MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
  1. Match column I and II and select the correct option from the given cod...

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  2. Amino acids which are specified by single codons are

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  3. mRNA overset(AUG UUU AUG C CU GUU UCU UA A)to Polypeptide Met-Phe-Me...

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  4. mRNA overset(AUG UUU AUG C CU GUU UCU UA A)to Polypeptide Met-Phe-Me...

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  5. Which out of the following statement is incorrect ?

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  6. Some amino acids are coded by more than one codon, hence the genetic c...

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  7. Read the following statements. (i) One codon codes for only one amin...

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  8. The mutations that involve addition, deletion or substitution of a sin...

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  9. Sickle cell anemia results from a single base substitution in a gene, ...

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  10. Select the incorrect matched pair.

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  11. Identify the labels A, B, C and D in the given structure of tRNA and s...

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  12. The differences between mRNA amd tRNA are that mRNA has more elabor...

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  13. Amino acid acceptor end of tRNA lies at

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  14. Which RNA carries the amino acids from the amino acid pool to mRNA dur...

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  15. During translation , activated amino acids get linked to tRNA. This pr...

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  16. Refer to the given mRNA segment It can be translated completely in...

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  17. In a mRNA molecule, untranslated regions (UTRs) are present at

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  18. UTRs are the untranslated regions present on

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  19. Given below are the steps of protein synthesis. Arrange them in correc...

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  20. Refer to the given figure Select the option which identifies pola...

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