D a change in color of a subtance
Pretty sure it's 2. She dyed her hair red so that means she does not have the genes for red hair. If she did, it would be passed to her kids with sex cells
Answer:
Enzymes allow many chemical reactions to occur within the homeostasis constraints of a living system. Enzymes function as organic catalysts. A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions.
Explanation:
I believe this is correct, if not let me know and I will fix it. I'm sorry in advance if it is incorrect.
The answer is C the ancient photosynthetic prokayotes evolved into modern chloroplasts.