#Question id: 18860
#Unit 13. Methods in Biology
#Question id: 4015
#Unit 3. Fundamental Processes
When polymerase bind to promoter, it spontaneously undergoes a transition to the open complex and initiates transcription. This gives a low level of constitutive expression called the basal level. The rate -limiting step in basal level transcription
#Question id: 23771
#Unit 7. System Physiology – Animal
#Question id: 7277
#Unit 5. Developmental Biology
According to this model, Which of the following statements are correct?
#Question id: 5684
#Unit 5. Developmental Biology
Capacitated mammalian sperm can sense thermal differences as small as 0.014ºC over a millimeter and tend to migrate toward the higher temperature. This ability to sense temperature difference and preferentially swim from cooler to warmer sites is called as _____1___ found only in ______2____ sperm.