Answer:
The phlebotomist probably punctured an artery. Arterial blood is oxygen rich blood. The greater amount of oxygen changes the physical characteristics of this type from a purplish to bright red, cherry, changing the pH from low to high pH.
Answer:
A cell's DNA replicates and the cell seperates, giving each cell an identical copy of DNA.
Explanation:
Is it just only those qoustions
Explain that even though he has already had sex, it is ok to change his mind.
Suggest that he talk to a trusted adult.
The other options may offend a person
