Available options:
(1). prokaryotes;
(2). sponges;
(3). an object;
(4). lizards;
(5). protein;
(6). sensory neurons;
(7). insects;
(8). Most plants;
Q: You are presented with the quiz "What moves with long filaments?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "flagella help prokaryotes move" and "flagella are long filaments made up of the protein flagellin". So, what's the best answer to the question?
A:
(1).