I think it’s water not positive tho
D nuclear membrane since bacteria is a prokaryote which means it does not have a nuclear membrane
I believe the term for an observable trait of an organism would be called or noted as the organism's phenotype.
The correct answer is the arterial blood carbon oxide level.
Arterial blood test measures oxygen and carbon dioxide levels in the blood. It also measures the body's acid-base level, which is normally balanced when an individual is healthy. The normal range for carbon dioxide is 23 to 29 mEq/L.