EASY
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If coding strand of DNA has the nitrogenous base sequence as 5'ATGCTA3'. What would be the mRNA strand sequence?

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Important Questions on Molecular Basis of inheritance

HARD
If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered?
HARD
If DNA codons are ATG GAA, insertion of thymine after the first codon results in:
EASY
Which of the following is the final product of a gene?
MEDIUM
In an In-vitro translation experiment, poly (UC) RNA template produced poly (Ser-Leu), while poly (AG) RNA template produced poly (Arg-Glu) polypeptide. Which ONE of the following options represents correct interpretations of the codons assignments for Ser, Leu, Arg and Glu?
EASY
Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?
EASY
Spliceosomes are not found in cells of:
EASY
Which of the following types of RNA carries amino acids towards ribosome during translation?
MEDIUM
In Escherichia coli, how many codons codes for the standard amino-acids?
MEDIUM
If molecular weight of a polypeptide is 15.3 kDa, what would be the minimum number of nucleotides in the mRNA that codes for this polypeptide? Assume that molecular weight of each amino acid is 90 Da.
HARD
Which one of the following is wrongly matched?
EASY
The equivalent of a structural gene is:
EASY
Under which of the following conditions will there be no change in the reading frame of the following mRNA?
5’AACAGCGGUGCUAUU 3’
EASY
In eukaryotes, the entire base sequence of a gene do not appear in mature RNA because
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Two of the following statements are correctly defined. Identify the correct combination

i) Conversion of hnRNA to mRNA - processing

ii) Removal of introns and joining of exons - splicing

iii) Addition of adenylate residues to 3'- end in a template dependent manner - Tailing

iv) Methyl adenosine triphosphate is added to 5' - end of hnRNA - capping

EASY
For the given sequence of DNA, identify the complementary sequence of bases on its mRNA from the options given below:
DNA 3' -ATGCATGCATGC - 5'
MEDIUM
In a random DNA sequence, what is the lowest frequency of encountering a stop codon?
EASY
DNA-dependent RNA polymerase catalyzes transcription on one strand of the DNA, which is called the:
EASY
Which one of the following is the start codon?