3. Autotrophs produce organic molecules. I think 4 is cellular respiration cannot occur without photosynthesis
When old red blood cells rupture, the released hemoglobin is ingested by macrophages
Answer:
The bacteria infected with viruses that had radioactive DNA had become radioactive. The bacteria that had been infected with viruses marked with radioactive proteins were not radioactive.
Explanation:
The rest of the answers:
1.2
2.3
3.2
4.1
5.b
