I think there are no potential bias since expect for when the test subjects were selected. There is no mention of how the subjects were selected. This could result to lurking variables which are is the hereditary susceptibility to tumors and congenital conditions of the mice that might be in the form of tumors already present in the mice's bodies.
Answer:
The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. Cellulose is a complex substance and provides structural strength to plants. Bacteria is not a plant therefore its cell wall is made up of peptidoglycan
Step-by-step explanation:
Answer:
11 digits
Step-by-step explanation:
x-xxx-xxx-xxxx
Counting these x's they would be 11. (if living in U.S.A)