#Question id: 28471
#Unit 5. Developmental Biology
Prior to blastocyst formation, each embryonic blastomere expresses transcription factors and capable of becoming either ICM or trophoblast, which transcriptional factor is involved?
#Question id: 7176
#Unit 5. Developmental Biology
The
metamorphic changes of frog development are brought about by following events.
(A)
the secretion of the hormone thyroxine (T4) into the blood by the thyroid gland
(B)
the degradation of T3 in the target tissues
(C)
the conversion of (T4) into the more active hormone, triiodothyronine (T3) by
the target tissues
Which of the following series is correct?
#Question id: 12392
#Unit 6. System Physiology – Plant
#Question id: 4461
#Unit 3. Fundamental Processes
According to some experiments, during initial transcription, the polymerase remains stationary on the promoter, unwinds downstream DNA, and pulls that DNA into itself, which model is this?
#Question id: 18936
#Unit 13. Methods in Biology