Answer:
In science a hypothesis is useful only if it can be <u><em>tested</em></u>.
Explanation:
In a scientific experiment, a hypothesis can be described as a tentative experiment that can be tested through observations and experimentation. The results inferred from the experiments can prove whether a hypothesis was correct or wrong. Hence, a hypothesis is a very important part for the scientific method of research. The validation of a hypothesis through experimentation brings about theories, facts, laws etc. A hypothesis is made in response to a scientific question.
The initiation of DNA replication<span> occurs in two steps. First, a so-called initiator protein unwinds a short stretch of the </span>DNA<span> double helix. Then, a protein known as helicase attaches to and breaks apart the hydrogen bonds between the bases on the </span>DNA<span> strands, thereby pulling apart the two strands.</span>
After Louis XVI was executed, Maximilien Robespierre led the Committee of Public Safety in carrying out what became known as the <span>Reign of Terror.</span>
