In mammals, If the cells have two X chromosomes and no Y chromosome, Inheritance of two X chromosomes causes transforming the bipotential gonad into an ovary by the activation of:

#Question id: 7172

#Unit 5. Developmental Biology

Transplantation of different regions of the presomitic mesoderm (PSM) to the limb field causes changes in limb size. Following statements are:

A. Transplanting PSM from the level of the presumptive forelimb to the flank (region between the forelimb and hindlimb) results in a larger forelimb bud.

B. Transplantation of PSM from the flank region to the level of the presumptive forelimb results in a smaller forelimb bud.

C. Transplanting PSM from the level of the presumptive forelimb to the flank (region between the forelimb and hindlimb) results in a smaller forelimb bud.

D. Transplantation of PSM from the flank region to the level of the presumptive forelimb results in a larger forelimb bud.

Which of the following combination are correct?

#Question id: 10704

#Unit 10. Ecological Principles

Imagine five forest communities, each with one hundred individuals distributed among four different tree species (W, X, Y, and Z). Which forest community would be most diverse?

#Question id: 566

#Unit 1. Molecules and their Interaction Relevant to Biology

The role of the metal ion (Mg2+) in catalysis by enolase is to

#Question id: 32922

#Unit 2. Cellular Organization

#Question id: 14881

#Unit 4. Cell Communication and Cell Signaling