61.
How do mutations affect proteins structure and functions ?
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62.
Explain non-sense mutation, mis-sense mutation and silent mutation.
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63.
In the medium where E. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose in the medium?
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One Word Answers
64.
What is the regulation of lac operon by repressor referred to?
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Short Answer Type
65.
Give the chief characteristics of Eukaryotic operon.
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66.
Differentiate between Introns and Exons.
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67.
Differentiate induction and repression.
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68.
Explain (in one or two lines) the function of following : (a) Promoter (b) tRNA (c) Exons.
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69.
Why is the Human Genome project called a mega project ?
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70.
The biologists who study the developing embryos of multicellular organisms often refer to the development process as “selective gene action”. Why is this term appropriate name ?
Short Answer Type
One Word Answers
