Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a ‘‘triplet'?
Beadle and Tatum
Nirenberg and Matthaei
Hershey and Chase
Morgan and Sturtevant
Additional Questions
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Removal of introns and joining of exons in a defined order during transcription is called |
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Satellite DNA is useful tool in |
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What does "lac" refer to in what we call the lac operon? |
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Molecular scissors which cut DNA at specific site is |
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Enzymes called ______ add complementary nucleotides, floating inside the nucleus. |
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If the total amount of adenine and thymine in a double-stranded DNA is 45%, the amount of guanine in this DNA will be |
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Repressor proteins are coded for by ______ genes. |
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E. coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because |
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The one aspect which is not a salient feature of genetic code, is its being |
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RNA molecules that act as enzymes are called |
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