#Question id: 5122
#Unit 5. Developmental Biology
In amphibia, when epidermal (ectodermal) and mesodermal cells are brought together in a mixed aggregate, the epidermal cells move to the periphery of the aggregate, and the mesodermal cells move to the inside by the process of selective affinity. Which of the following statement describe the phenomena of selective affinity?
#Question id: 29526
#Unit 6. System Physiology – Plant
#Question id: 2298
#Unit 2. Cellular Organization
The endoplasmic reticulum and ribosomes are both involved in
#Question id: 19336
#Unit 12. Applied Biology
#Question id: 2057
#Unit 4. Cell Communication and Cell Signaling
Lymph nodes and the spleen are the most highly organized secondary lymphoid organs. T-cell and B-cell activity are separated into distinct microenvironments in both. T cells and B cells are found in