Molecular Basis of Inheritance
- The following ratio is generally constant for a given species:
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According to Chargaff purines and pyrimidines are in equal amounts. Purine (adenine) is equimolar with pyrimidine (thymine) and purine (guanine) is equimolar with pyrimidine (cytosine).
Base ratio A + T is specific for species. C + G Correct Option: C
According to Chargaff purines and pyrimidines are in equal amounts. Purine (adenine) is equimolar with pyrimidine (thymine) and purine (guanine) is equimolar with pyrimidine (cytosine).
Base ratio A + T is specific for species. C + G
- Which antibiotic inhibits interaction between RNA and mRNA during bacterial protein synthesis?
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Neomycin is the antibiotic which inhibits the translation of bacterial cell so that it can not affect the host cell.
Correct Option: A
Neomycin is the antibiotic which inhibits the translation of bacterial cell so that it can not affect the host cell.
- The two polynucleotide chains in DNA are
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The two chains are antiparallel, one aligned in 5’→3’ direction the other in 3’ → 5’ direction.
Correct Option: B
The two chains are antiparallel, one aligned in 5’→3’ direction the other in 3’ → 5’ direction.
- During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure, what is it’s DNA-binding sequence?
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The DNA binding sequence for RNA polymerase is called TATA box.
Correct Option: C
The DNA binding sequence for RNA polymerase is called TATA box.
- A sequential expression of a set of human genes
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A sequential expression of a set of human genes is the DNA sequence. Because gene is the functional part of DNA sequence.
Correct Option: B
A sequential expression of a set of human genes is the DNA sequence. Because gene is the functional part of DNA sequence.
