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Biotechnology And Its Applications

Question
CBSEENBI12003179
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One gene- one enzyme hypothesis of Beadle and Tatum was experimentally proved on

  • Saccharomyces 

  • Neurospora crassa

  • Lathyrus odoratus

  • Claviceps

Solution

B.

Neurospora crassa

One gene- one enzyme theory was given by Beadle and Tatum in 1958, while they were working on red mould or Neurospora crassa (Ascomycetes fungus), which is also called Drosophila of plant kingdom.

Some More Questions From Biotechnology and Its Applications Chapter

How is inactive Bt-toxin converted into active form ?

How Bt toxin causes death of insect ?

Name a few forms of cry gene.

List the specific insects killed by (i) cryIAc and (ii) cryIAb.

Name the insect killed by proteins coded by cryIIAb and cry IAc.

What is unique about transgenic animals ?

What is silencing of mRNA ?

What is the process of silencing mRNA ?

Name the genetically engineered insulin.

Name the transgenic cow which produces human protein enriched milk. Give specific contents of milk.

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