neutropenia is the lack of white blood cells.
Answer:vitamin Y and vitamin Z are the essential nutrients.
Explanation:
When the researcher treated the mouse cells in the absence of vitamin W and X, the cells survived but when he eventually removed vitamin Y and Z the cells died. This implies that for the cells to grow and survive Vitamin Y and Z which are the essential Vitamin needs to be present. Thanks alot. I hope it helps!
Answer: Store all knives in a drawer: positive
-Use a magnetic knife holder: negative
-Use hooks and hang them on the wall: negative
-Store knives using a knife block: positive
-Wrap knives in a damp cloth: negative
-Use a knife rack: negative
Explanation: When storing knives it is important to do it in a safe way to avoid injuries. The positive ways to store knives include: store all knives in a drawer and store them in a knife block as the blades are inside something and they are not easy to reach which decreases the risk of an injury.
On the other side, the negative ways to store knives are using a magnetic knife holder, using hooks and hang them on the wall and using a knife rack as they can slip if they are not attached properly. Also, wrapping knives in a damp cloth is not safe because you can get cut when opening the cloth.
Innate is a general, nonspecific immunity against any pathogen trying to enter the body.