Answer:
D.
Explanation:
D. the Sonoran Desert and a temperate rain forest
Not sure but I think motor systems?
-Wulf
Answer:
The correct answer is B. DNA helicase first unwinds the double helix around the +1 site.
Explanation:
The helicase is an enzyme that specifically breaks the hydrogen bonds of the bases in the transcription process. As E. Coli is a prokaryote, then, the transcription only occurs in one point of the circular DNA. The promoter region indicates where the DNA polymerase has to start replicating and the Topoisomerase unwinds the parts of the DNA that are being excessively twisted because of the separation of the two strands.
Answer:
the food that we eat are used up by the cells to perform different activities such as metabolism.
Global warming. Not reversing it, because that would most likely cause an ice age, but keeping it under control.