If the initial population size 1000 then given population birth rate is 0.55, and death rate is 0.45, then calculate the change in population per unit time?

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#Question id: 15276

#Unit 13. Methods in Biology

At high salt concentrations, the mRNA containing poly(A) tails binds to the complementary oligo(dT) molecules of the affinity column, and so, mRNA will be retained; all other RNA molecules can be washed through the column by further high salt solution. finally, the bound mRNA can be eluted by using

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#Question id: 15277

#Unit 13. Methods in Biology

Although PCR and replication show resemblances, but the basic difference is

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#Question id: 15278

#Unit 13. Methods in Biology

A DNA sample having mass 1 ng undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required

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#Question id: 15279

#Unit 5. Developmental Biology

Which of the following process is essential for successful syncytial specification?

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#Question id: 15280

#Unit 5. Developmental Biology

The mechanisms governing cell fate specification involves gradients of paracrine factors that regulate gene expression; such factors are called:

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#Question id: 15281

#Unit 5. Developmental Biology

What is morphogen?