#Question id: 6974
#Unit 5. Developmental Biology
Where are the stem cells that renew the epithelium of the gut found?
#Question id: 6975
#Unit 5. Developmental Biology
Which one of the following genes was NOT part of transcription factors used to generate induced pluripotent stem (iPS) cells from mouse skin fibroblasts?
#Question id: 6977
#Unit 5. Developmental Biology
Cartilage (bone-forming tissue) and connective tissue of the vertebrate limb form from:
#Question id: 6978
#Unit 5. Developmental Biology
Removal of the apical ridge leads to
#Question id: 7286
#Unit 5. Developmental Biology
Which of the floral whorls is affected in apetala 3/pistillata (ap3/pi) mutants?
#Question id: 7290
#Unit 5. Developmental Biology
Following figure regarding to regulatory network in the Arabidopsis shoot meristem stem-cell niche.
A. The transcription factor WUS is synthesized in the cell A and moves via plasmodesmata into cell B, where one of its functions is to induce expression of the CLV3.
B. The transcription factor CLV3 is synthesized in the cell A and moves via plasmodesmata into cell B, where one of its functions is to induce expression of the WUS.
C. Secreted CLV3 protein from cell B binds to the receptor protein kinase on the surface of cell A; there, it activates a signal that represses WUS transcription.
D. Secreted WUS protein from cell B binds to the receptor protein kinase on the surface of cell A; there, it activates a signal that represses CLV3 transcription.
Which of the following combination is correct?