I think it's nucleic acid.
A. virus is able to cause an infection
<h2>
Correct Answer is (C)</h2>
Explanation:
(C) Use of reporter genes
- <em>Reporter gene</em> A quality that is utilized to<em> 'tag' </em>another quality or DNA succession of interest, for example, <em>an promoter</em>
- Expression of the correspondent is handily observed, and allows the function or whereabouts of the<em> 'target' sequence</em> to be tracked.It have a two type of reporter gene such as scorable reporter gene and selector gene
- Scorable reporter gene - The gene have expression of this result in quantifiable phenotype and easily detected through highly<em> sensitive enzymes assays </em>
- Selector gene- The gene expression<em> resistance to a toxin</em> and selection of tranformants from <em>non tranformants in growth media containing selective agents </em>
Answer:
an ANTIGEN
Explanation:
a foreign substance that invades your body is called an <u>A</u><u>N</u><u>T</u><u>I</u><u>G</u><u>E</u><u>N</u>. 8. When your body detects an antigen, antibodies are made and lock onto it. Once an antigen is recognized, your immune system can remember it the next time and protect you from getting sick again.