Answer:
A?
Explanation:
The first step of protein synthesis is transcription, and transcription occurs in the nucleus of the cell... so...
The answer is cell membrane
When it triggers an abnormal or vigorous immune responce, treating the antigen that would normally cause no threat as something harmful.
H1 Flu since those are mostly the symptoms of that kind of flu
Answer:
No because Trilobites are older because they are in the deepest rock layer and the dinos aren't plus Two species of trilobites found in the Southwestern United States. Trilobites went extinct 250 million years ago, long before the appearance of the first dinosaurs.
Explanation: because i love talking about fossils