Advertisements
Advertisements
प्रश्न
Which one of the following is a stop codon?
(a) UAG
(b) UAC
(c) AUG
(d) UCA
Advertisements
उत्तर
(a) UAG
There are three stop or termination codons—UAA, UAG and UGA.
APPEARS IN
संबंधित प्रश्न
List two essential roles of ribosomes during translation.
The process of translation is ______.
The translation termination triplet is ______.
The three codons which result in the termination of polypeptide chain synthesis are ______.
Which of the following statements is correct regarding ribosomes?
Regulation of gene expression occurs at the level of ______.
Which of the following are correct statements for a tRNA molecule?
- It is an adapter molecule.
- Previously called sRNA (soluble RNA)
- tRNA has a codon loop that has bases complementary to the code,
- it also has an amino acid accepter end to which it binds to amino acids.
- It is non-specific for each amino acid.
The process of translation is ______.
(a) Identify the polarity of x to x’ in the diagram below and mention how many more amino acids are expected to be added to this polypeptide chain.
(b) Mention the codon and anticodon for alanine.
(c) Why are some untranslated sequences of bases seen in mRNA coding for a polypeptide? Where exactly are they present on mRNA?
Explain the process of aminoacylation of tRNA and its role in the process of translation.
