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:
Was concerned because the potential for mouth to hand contamination
Explanation:
As one of the server does multiple tasks of wrapping the tableware, setting the napkins, opening the door as well as taking lunch breaks, hence he is at a high risk of carrying or spreading microorganisms with him. By multitasking and then eventually taking lunch in between he is at a high risk of hand to mouth infectious microorganisms transfer which can be fatal for him as well as other people.
False. A medical transcriptionist types up Doctor or other medical professionals notes for the medical record.
