The answer is D homeostasis. For A, hemoglobin is a protein exists in blood and can bring oxygen. For B, photosynthesis is a process of converting CO2 to glucose using the energy of light. It occurs in chloroplast. For C, hypothesis means suppose.
Enzymes are specialized proteins that speed up chemical reactions, biological catalyst.
Answer:
The answer is prokaryotes
<span>The sample taken from the crime scene should be analyzed for multiple DNA fragments</span>