The train traveled 100km (50x2) down and then 375km (75x5) up. So the train is 275km (375-100) up from where it started.
Answer:
The answer is the flexibility of DNA.
Explanation:
The flexibility os DNA is what allows transcription factors at distant binding sites to do their job. The DNA loops like cooked spaghetti to bring far-off binding sites and transcription factors close to general transcription factor or mediator proteins.
D: faulting hope i could help
Earth’s orbital speed around the Sun is closest to OC) 850 mi/h
