Answer:
The correct answer is - antigenic shift due to mutation.
Explanation:
In this image, there is a representation of the antigenic shift or change takes place to evolve to a new strain of influenza virus from the original virus that has a different antigen on the surface of the virus than the new strain. In this image it is shown that the surface H antigens went through a shift to form a new strain while N antigen remain the same.
This is important to adapt and evolve according the internal environment of the host show this type of mutation requires if moving from one host to another (human to pigs).
It is the main endocrine gland and a small structure in the head. It's named the "master gland" because it produces hormones that control other glands and many other body functions including growth. It consists of the anterior and posterior pituitary.
Hope that this helps! Also nice username
Because of you go closed to
Cancer, disease, birth defects.
Above what ?
<span><span>Specificity:
</span>If a person does not have the disease how often will the test be negative (true negative rate)> </span><span>In other terms, if the test result for a highly specific test is positive you can be nearly certain that they actually have the disease.</span>
