What does "lac" refer to in what we call the lac operon?
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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In history of biology, human genome project led to the development of? |
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The segment of DNA which acts as the instrumental manual for the synthesis of the protein is |
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The primary control of gene expression takes place at the level of |
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