Transcription takes place in three steps: initiation, elongation, and termination. The steps are illustrated in the Figure below. Initiation is the beginning of transcription. It occurs when the enzyme RNA polymerase binds to a region of a gene called the promoter.
Approximately 4.5 billion years ago
Answer: D
Explanation:
A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reaction.
In choice D melting of sea ice opens more ocean to sunlight which causes more ice to melt which demonstrated a positive feedback loop.
Option A is the right answer.
Repetition is the act of repeating something that has previously been stated or recorded. Though we can repeat some words in the formation of a sentence, it creates a sentence very unattractive. Therefore, by changing some words, or by changing some form of the sentence we can avoid repetition. As in the given statement, the repetition of words can be replaced by option A. Avoiding repetition with some other words does not change the meaning of the sentence of the statement.
Answer:
wyd I don't Understand this question please explain
