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IMPORTANT
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Which ONE of the following statements is INCORRECT for translation in cytoplasm?
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Important Questions on Molecular Basis of Inheritance
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IMPORTANT
Frederick Griffith performed an experiment where mice were killed when injected with a mixture of Heat-Killed -type Streptococcus and Live -type Streptococcus but not with or separately. Mice were killed because
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IMPORTANT
In an experiment, bacteria were infected with labelled virus in a ratio of . The culture was rigorously shaken followed by centrifugation. Radioactivity was:
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IMPORTANT
The schematic below describes the states of the lac operon in the absence of lactose. Which ONE of the following happens when lactose is present in the cell?
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IMPORTANT
The molecular weight of E coil. DNA is . The average molecular weight of the nucleotide pair is and each nucleotide pair contributes to 0.34 nm to the length of DNA. The length of E coli DNA molecule will be approximately:
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IMPORTANT
In the presence of glucose and lactose, Escherichia coli utilizes glucose. However, lactose also enters the cells because?
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IMPORTANT
An mRNA is transcribed from a DNA segment having the base sequence 3'-TACATGGGTCCG-5'. What will be the correct order of binding of the four amino acyl-t RNA complexes given below during translation of this mRNA?
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Melting temperature for double-stranded DNA is the temperature at which 50% of the double-stranded molecules are converted into single stranded molecules. Which one of the following DNA will have the highest melting temperature?
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IMPORTANT
If molecular weight of a polypeptide is 15.3 kDa, what would be the minimum number of nucleotides in the mRNA that codes for this polypeptide? Assume that molecular weight of each amino acid is 90 Da.
