for permease. iv. This was elucidated by Francois Jacob and Jacques monod. The correct statements are a) i and ii b) i and iii c) ii and iv d) i and ii .
Which one of the following pairs of codons is correctly matched with their function or the single for the particular amino acid? [AIPMT ] a) GUU, GCU – Alanine b) UAG, UGA – Stop codon c) AUG, ACG - start/methionine d) UUA, UCA – Leucine . The Okazaki fragments in DNA chain growth (AIPMT ) a) Result in transcription b) Polymerise in the ’ to ’ direction and forms replication fork c) Prove semi- conservative nature of DNA replication d) Polymerises in the ’ to ’direction and explain ’ to ’ DNA replication . During translation initiation in prokaryotes, a GTP molecules is needed in [AIPMT ] a) association of 30s, mRNA with formyl met tRNA b) association of 50s subunit of ribosome with initiation complex c) formation of formyl met tRNA d) binding of 30s subunit of ribosome with mRNA. .
Reverse transcriptase is a) RNA dependent RNA polymerase b) DNA dependent RNA polymerase c) DNA dependent DNA polymerase d) RNA dependent DNA polymerase . Escherichia coli fully labeled with N14 medium. The two strands of DNA molecules of the first generation bacteria have a) Different density and do not resemble parent DNA b) Different density but resemble parent DNA c) Same density and resemble parent DNA d) Same density but do not resemble parents DNA Chapter - Evolution . The wings of a bird and of an insect are a) homologous structure and represent convergent evolution b) homologous structure and represent divergent evolution c) analogous structure and represent convergent evolution d) analogous structure and represent divergent evolution .
Which one of the following statement is correct? a) stem cells are specialized cells a) there is no evidence of the existence of gills during embryogenesis of mammals b) all plant and animal cells are totipotent c) Ontogeny repeats phylogeny . In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by a) p