Transcription, genetic code, translation, protein biosynthesis
- The equivalent of a structural gene is Answer: 1. cistron A cistron is the functional unit of DNA that codes for one polypeptide, so it is equivalent to a structural gene. An oper... 1
- Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria? Answer: 2. 23 S rRNA In bacteria, the 23S rRNA of the large subunit acts as the peptidyl transferase ribozyme that forms peptide bonds, besi... 1
- Which one of the following is the starter codon ? Answer: 1. AUG AUG codes for methionine and is the start (initiator) codon. UAA, UAG and UGA are stop codons. 1
- A complex of ribosomes attached to a single strand of RNA is known as : Answer: 1. Polysome Key idea: Several ribosomes attached to one mRNA strand make a polysome (polyribosome), so many copies of a polypeptide... 1