Which of the following would, if it had acted upon a gene, prevent this gene from acting as a reliable molecular clock?

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#Question id: 11940

#XL - T Zoology

Which of the following is filtered most readily by the glomerular capillaries?

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#Question id: 8925

#XL - P Chemistry

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: 4176

#XL - T Zoology

The unambiguity and degeneracy of the genetic code can best be respectively exemplified by which of the following?

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#Question id: 447

#XL - S Microbiology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions encountered in a normal cell will the free-energy change (DG) be negative, enabling the reaction to proceed spontaneously to the right?

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#Question id: 19650

#XL - P Chemistry

Which of the compounds show dipole moment?