What is the probable sequence in which the following clades of animals originated, from earliest to most recent?

1. tetrapods

2. vertebrates

3. deuterostomes

4. amniotes

5. bilaterians

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#Question id: 5377

#General Aptitude

The average weight of A,B and C is 48kg , If the average weight of A and B be 45kg and that of B and C be 50kg ,Find the weight of B

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#Question id: 5838

#Section 3: Genetics, Cellular and Molecular Biology

In the Holliday model describing recombination

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#Question id: 5839

#Section 3: Genetics, Cellular and Molecular Biology

During recombination in E. coli, ________ recognize(s) regions of sequence similarity and promote(s) strand invasion, while ________ bind(s) to a Holliday junction promoting strand migration.

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#Question id: 5840

#Section 3: Genetics, Cellular and Molecular Biology

The sequence of proteins used in bacterial recombination is

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#Question id: 5841

#Section 3: Genetics, Cellular and Molecular Biology

How are the BRCA proteins and their genes implicated in breast cancer?

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#Question id: 5842

#Section 3: Genetics, Cellular and Molecular Biology

 In homologous recombination in E. coli, the protein that moves along a double-stranded DNA, unwinding the strands ahead of it and degrading them, is: