Elements are made from one type of matter.
Scientific laws are created when a theory has stood the test of time and cannot be proven wrong even when there is another theory existed.
The answer is Topoisomerase.
<span>Topoisomerase is an enzyme with the role to regulate the overtwisting or </span>undertwisting<span> of DNA helix. If DNA helix is untwisted, topoisomerases will regulate this situation and will twist DNA helix.</span>
Nuclease<span> is an enzyme that cleaves the sequences of nucleic acids into smaller units.</span>
<span>Telomerase is an enzyme that adds specific sequence to the telomere ends.</span>
C; to stop pathogens with light harming the host cell
Answer:
Systematic observation allows the understanding of each phase of a task, allowing the researcher to understand every thing that happens, generating a comprehensive and complete conclusion.
Explanation:
Systematic Observation is a method used to understand how a particular activity or task works. The researcher observes the stages of a process, the tools used, the difficulties that appear, the conversations and the results of the work. Systematic Observation is guided by a definite goal, one thing one wants to know about that activity. The observation is made over and over until there is sufficient evidence to assert such a thing.
Systematic Observation can be used to do Behavioral Mapping, Task Analysis, or Activity Analysis.