Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

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#Question id: 11155

#XL - S Microbiology

Nucleic acid sequences that undergo few changes over the course of evolutionary time are said to be conserved. Conserved sequences of nucleic acids

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#Question id: 5651

#XL - R Botany

Growth and development of plant parts involves ________.

I) cell division to produce new cells

II) enlargement and elongation of cells

III) specialization of cells into tissues

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#Question id: 10705

#XL - T Zoology

Which of the following statements is TRUE for an ecotone?

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#Question id: 2933

#XL - T Zoology

During G1, prereplication complexes:

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#Question id: 5081

#XL - T Zoology

 The vegetal pole of a frog zygote differs from the animal pole in that ________.