Most animal cells differentiate at an early stage
Answer:
A. DNA Polymerase
Explanation:
It absolutely cannot be C. Ozone or D. Radiation since those two answers are in relation to outside variables affecting health. Not inherited diseases. Therefore, it is in between A. or B.
What’s the rest of the question??
Answer:
The foaming in the elephant toothpaste demonstration means that a gas is produced. Production of a gas is a clue that a chemical reaction has occurred. The water vapor in the genie-in-a-bottle demonstration also shows the production of a gas.
It prevents being damaged and cross contamination from other objects that may disrupt the evidence
