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Question
How t-RNA act as an adapter molecule?
Explain in detail with the help of a diagram.
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Solution
Transfer RNAs are known as adapter molecules in protein synthesis because they are covalently linked to an amino acid at one end and they pair with the mRNA in such a way that amino acids are joined to a growing polypeptide in the correct sequence.
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Long Answer Question:
Justify the statement. If the answer is false, change the underlined word(s) to make the statement true
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The enzyme ______ forms the peptide bond between amino acid on the first initiator t-RNA at P-site and amino acid on t-RNA at A-site.
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Identify the nucleotide sequence of the mRNA which codes for the sequence of amino acids 'Met-Leu- Val- Arg- Ala'.
In a translation experiment, two different mRNAs with different nucleotide sequences used are as follows:
mRNA 1:
5' AUG UUU UUA UUU UUA UAA UUC UUG - 3' and
mRNA 2:
5' AUG UUC UUG UUA UUU UAG UUU UUA CUU - 3'
From the following identify the TRUE statement.
Sequential order of nucleotides on template strand forming m-RNA synthesizing specific protein is given below. Based on it select the sequential t-RNA anticodon entering in the process of protein synthesis.
Template: TAC GAC AAC CAC TTA ATT
If there are 300 bases in an RNA which codes for a protein with 100 amino acids, and a base at position 162 is deleted such that the length of RNA become 299, how many codons will be altered.
Select the correct statement from the following.
What is meant by the polarity of genetic code ?
If the base sequence in DNA is 5' AAAA 3', then the base sequence in nillNA is______.
