Which of these is the basal group of the Eumetazoa?

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#Question id: 8893

#SCPH28 | Zoology

While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)

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#Question id: 367

#SCPH01 Biochemistry

1.0 × 10^−4 mole of H+ (as HCl) is added to 1.0 liter of pure water. Determine the final pH of the solution.

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#Question id: 357

#SCPH05 I Biotechnology

What is the concentration of H+ in a solution of 0.1 M NaOH?

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#Question id: 19613

#SCPH05 I Biotechnology

Ionic bonds will be formed more easily between elements with comparatively:

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#Question id: 18387

#SCPH28 | Zoology

Structural features that make these compounds resistant to microbial degradation include

1. substitution of H by other groups

2. heterocyclic compounds

3. branched linear chains

Which of the above are correct?