J. Promoter
Explanation: A transcription factor and its associated transcription mediator complex must be attached to a DNA binding site called a promoter region before RNAP can initiate the DNA unwinding at that position.
Gas exchangeis the delivery of oxygen, so im guessing it takes place in the bloodstream
It was used by Hubble to measure velocities of galaxies
Wave height that should be it;)
Answer:
I think is A, D,B
Explanation:
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