Biology questions
20584 published questions with worked solutions.
- Protein molecule is synthesized at
- Which one process is only concerned with the transcription?
- Which of the following codons are not recognized by any aminoacyl t-RNA?
- The m-RNA AUGCAGAUACGC recognises four amino acids and this character of the code referred to as
- A polypeptide is assembled on a
- Degeneracy of genetic code is compensated by
- In genetic coding, triplet of nitrogen bases make possible 64 types of codons. A doublet codon system would have made possible
- What changes take place in the processing of lac operon when lactose is used as energy source?
- Which is not true for Operon model?
- Which of the following bases is absent in the coding dictionary?
- Which is the hereditary material in bacteria? [BCECE 2005]
- What will stop if all the ribosomes of a cell are destroyed?
- Which of the following have the same role as UGA and UAG in translation?
- The result of the following reaction/experiment carried out by Avery et.al. on Streptococcus pneumoniae has proved conclusively...
- Who proved the DNA transforming material? [MH-CET 2004]
- Number of amino acids in a polypeptide chain is 150. The number of m-RNA bases required is
- How many times can DNA replicate in a life of a cell?
- The bacterium used in Griffith’s experiment was [MH-CET 2004]
- Who first discussed that DNA is the genetic material? [MH-CET 2000]
- DNA stand [MH-CET 2008]