If the nitrogen atom had electronic configuration 1s⁷, it would have energy lower than that of the normal ground state configuration 1s² 2s₂ 2p³ because the electrons would be closer to the nucleus. Yet, 1s⁷ is not observed because it violates.

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#Question id: 5092

#XL - T Zoology

The least amount of yolk would be found in the egg of a ________.

TLS Online TPP Program

#Question id: 5093

#XL - T Zoology

Which of the following is a result of gastrulation in animals?

I) The archenteron is formed.

II) The body axes are established.

III) The germ layers are formed.

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#Question id: 5094

#XL - T Zoology

Cell migration occurs extensively during ________.

TLS Online TPP Program

#Question id: 5095

#XL - T Zoology

Changes in the shape of a cell usually involve a reorganization of the ________.

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#Question id: 5096

#XL - T Zoology

Select the choice that correctly matches the organ with its embryonic sources.

TLS Online TPP Program

#Question id: 5097

#XL - T Zoology

The embryonic precursor to the human spinal cord is the ________.