Which of the following signal molecules established parasegmental periodicity in drosophila?

a. Wingless

b. Hedgehog

c. Engrailed

d. Smoothened

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#Question id: 29483

#Unit 6. System Physiology – Plant

Which of the following are defined as compounds that have biological activities similar to those of trans-zeatin

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#Question id: 18963

#Unit 13. Methods in Biology

The use of wild type pTi as a vector presents the following three problems.

1. Presence of oncogenes (iaaM, iaaH and ipt) in T-DNA, which causes a disorganised growth and a loss of regeneration potentiaLof the cells having T-DNA in their genomes.

2. Their large size makes the handling procedures during cloning tedious and cumbersome.

3. A general lack of unique cloning sites within the T-DNA, which are needed for the insertion of DNA segments to be cloned

In the above mention’s problems, 1 and 3 can removed by disarming and creating MCS, to overcome from 2nd problem need to develop

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#Question id: 5193

#General Aptitude

Find the least value of n for which 3 + 32 + …. + 3ⁿ > 10³

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#Question id: 212

#Unit 1. Molecules and their Interaction Relevant to Biology

Which functional group is shown below?

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#Question id: 3469

#Unit 11. Evolution and Behavior

Individual A is cousin of B individual? During altruistic act A individuals get benefitted from B individual is 80. What is at least value of cost scarified by individuals A?