The F2 progeny from a particular cross exhibit a modified dihybrid ratio of 9 : 7 (instead of 9 : 3 : 3 : 1). What phenotypic ratio would be expected from a testcross of the F1?

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#Question id: 19336

#Unit 12. Applied Biology

Which one of the following biosensors is used for therapeutic applications?

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#Question id: 18737

#Unit 13. Methods in Biology

RNase S1 method and homopolymer tailing method generates blunt ended cDNA molecules. Which of the following can be used for attaching them to vector?

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#Question id: 33339

#Unit 2. Cellular Organization

Inactivation of which of the following protein in rod-shaped bacteria causes the cells to become coccoid (coccus-shaped)?

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#Question id: 24272

#Unit 4. Cell Communication and Cell Signaling

.__________ are integrin-containing anchoring junctions that attach cells to elements of the underlying extracellular matrix.

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#Question id: 2677

#Unit 2. Cellular Organization

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?