#Question id: 28207
#Unit 5. Developmental Biology
The process in which a polarized stationary epithelial cell, which normally interacts with basement membrane through its basal surface, becomes a migratory mesenchymal cell that can invade tissues and form organs in new places, this process is called___
#Question id: 3393
#Unit 11. Evolution and Behavior
Natural Selection can maintain a polymorphism when
a. heterozygote is fitter than the homozygote
b. Fitnesses of genotypes are negatively frequency dependent.
c. Fitnesses of genotypes are positive frequency dependent.
d. One homozygote is fitter than the heterozygote
#Question id: 12888
#General Aptitude
The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p1, p2 and p3. The length of each side of the triangle is
#Question id: 33366
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 1532
#Unit 4. Cell Communication and Cell Signaling
For a particular microarray assay (DNA chip), cDNA has been made from the mRNAs of a dozen patients' breast tumor biopsies. Which of the following types of evidence will researchers be looking for in order to determine if the cells are cancerous?