#Question id: 1425
#Unit 4. Cell Communication and Cell Signaling
During metastasis, cells may undergo an epithelial-to-mesenchymal transition whereby there is a(n):
#Question id: 10201
#Unit 6. System Physiology – Plant
Chloroplasts orientation in Algae is controlled by
#Question id: 28333
#Unit 5. Developmental Biology
Genes that are active in the mother to make products for the early development of the offspring is called___
#Question id: 10743
#Unit 10. Ecological Principles
Darlington proposed that
#Question id: 5124
#Unit 5. Developmental Biology
Following statements are being made regarding conditional specification –
A. The process by which cells achieve their respective fates by interacting with other cells.
B. the cell “knows” very early what it is to become without interacting with other cells.
C. The critical factors that control cell fate are present and differentially segregated in the cytoplasm of these cells.
D. a cell becomes is specified by the array of interactions it has with its neighbors, which may include cell-to-cell contacts (juxtacrine factors), secreted signals (paracrine factors).
Which of the above statements are correct?