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: 847

#SCPH01 Biochemistry

A proposed pathway for the action of E.coli chaperonins  are groEL and groES.groEL exist in trans and cis structure transferring with its bound ATP now become the cis ring once the groES  bound to it ATP hydrolysis takes place and improperly folded protein get properly folded, total number of  ATP molecules are required to per folding cycle;

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#Question id: 18369

#SCPH06 I Botany

The chemical and breakdown products of herbicide DDT cause eggshell thinning and population declines in multiple North American and European bird of prey. They are remediated by 

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#Question id: 14143

#SCPH05 I Biotechnology

The higher is the score in the alignment _________

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#Question id: 2099

#I Life Science/ Life Sciences Group – I-V

Phosphate-containing lipids include all of the following except

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#Question id: 4817

#SCPH28 | Zoology

How many different gametes can be formed by an organism with genotype AaBbCCddEe, If a, b and c gene are completely link?