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: 19617

#SCPH05 I Biotechnology

When the temperature rises, what happens to the peak of the curve in the Maxwell-Boltzmann distribution graph?

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#Question id: 19666

#SCPH05 I Biotechnology

The Lucas test was carried out on three different compounds: A, B, and C. Compounds A and B were turbid at ambient temperature, while compound C did not become turbid until it was heated. Which one of the compounds is tertiary in structure?

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#Question id: 13109

#SCPH28 | Zoology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 

 which number of repeats did Baby C inherit from his mother?

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#Question id: 5608

#SCPH01 Biochemistry

Stereoblastulae -

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#Question id: 1557

#SCPH05 I Biotechnology

which one of these antibody can cross placenta?