Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.

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#Question id: 18798

#Part-A Aptitude & General Biotechnology

which of the is a fluorescent dye with a flat, planar structure that slides between the rungs of (or intercalates into) the DNA ladder in a quantitative manner frequently used in FACS.

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#Question id: 1018

#Part-B Specialized Branches in Biotechnology

Diseases such as ulcers and cardiovascular disease

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#Question id: 693

#Part-B Specialized Branches in Biotechnology

In an alpha helix, the R groups on the amino acid residues:

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#Question id: 5691

#Part-B Specialized Branches in Biotechnology

Which of the following most accurately explains the cause for the abnormal numbers of chromosomes during human reproduction that can result in Down syndrome, Turner’s syndrome, or Klinefelter’s syndrome?

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#Question id: 22916

#Part-B Specialized Branches in Biotechnology

Which of the following is the first transgenic crop?