Title 06. MOLECULAR BASIS OF INHERITANCE.pdf ✅

#QID# 3453 (13.) If one strand of DNA has the nitrogenous base sequence at ATCTG, what would be the complementary RNA strand sequence[2012] (a) TTAGU (b) UAGAC (c) AACTG (d) ATCGU #QID# 3454 (14.) The unequivocal proof of DNA as the genetic material came from the studies on a[2011M] (a) bacterium (b) fungus (c) viroid (d) bacterial virus #QID# 3455 (15.) Infectious proteins are present in: [2010] (a) Gemini viruses (b) Prions (c) Viroids (d) Satellite viruses #QID# 3456 (16.) Which one of the following does not follow the central dogma of molecular biology?[2010] (a) Pea (b) Mucor (c) Chlamydomonas (d) HIV #QID# 3457 (17.) T.O. Diener discovered a:[2009] (a) free infectious DNA (b) infectious protein (c) bacteriophage (d) free infectious RNA #QID# 3458 (18.) Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it? [2008] (a) Thymine, Uracil - Pyrimidines (b) Uracil, Cytosine - Pyrimidines (c) Guanine, Adenine - Purines (d) Adenine, Thymine - Purines
#QID# 3459 (19.) The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?[2007] (a) super-coiling in nucleosomes (b) DNase digestion (c) through elimination of repititive DNA (d) deletion of non-essential genes. #QID# 3460 (20.) A sequential expression of a set of human genes[2007] (a) messenger RNA (b) DNA sequence (c) ribosome (d) transfer RNA. #QID# 3461 (21.) During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure, what is it's DNA-binding sequence?[2007] (a) AATT (b) CACC (c) TATA (d) TTAA #QID# 3462 (22.) The two polynucleotide chains in DNA are[2007] (a) discontinuous (b) antiparallel (c) semi-conservative (d) parallel. #QID# 3463 (23.) Which antibiotic inhibits interaction between RNA and mRNA during bacterial protein synthesis?[2006] (a) Neomycin (b) Streptomycin (c) Tetracycline (d) Erythromycin #QID# 3464 (24.) The following ratio is generally constant for a given species:[2004] (a) A G C T + + (b) + + T C G A