MEDIUM
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IMPORTANT
Earn 100
The differences between mRNA and tRNA are that,
(i) mRNA has more elaborated 3-dimensional structure due to extensive base-pairing.
(ii) tRNA has more elaborated 3-dimensional structure due to extensive base-pairing.
(iii) tRNA is usually smaller than mRNA.
(iv) mRNA bears anticodon but tRNA has codons.
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Important Questions on Molecular Basis of Inheritance
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Amino acid acceptor end of tRNA lies at
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Which RNA carries the amino acids from the amino acid pool to mRNA during protein synthesis?
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During translation, activated amino acids get linked to tRNA. This process is commonly called as:
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Refer to the given mRNA segment.
It can be translated completely into a polypeptide. Which of the following codons may correspond with and ?
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In an mRNA molecule, untranslated regions (UTRs) are present at
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UTRs are the untranslated regions present on
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IMPORTANT
Given below are the steps of protein synthesis. Arrange them in the correct sequence and select the correct option.
(i) Codon-anticodon reaction between mRNA and aminoacyl tRNA complex.
(ii) Attachment of mRNA and smaller subunit of the ribosome.
(iii) Charging or aminoacylation of tRNA with amino acids.
(iv) Attachment of larger subunit of the ribosome to the mRNA- complex.
(v) Linking of adjacent amino acids.
(vi) Formation of the polypeptide chain.
HARD
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IMPORTANT
Refer to the given figure.
Select the option which identifies polarity and and
DNA sequence coding for serine and the anticodon for the same amino acid .
