Answer:
to prevent the spreading of germs
Explanation:
Answer:
cell walls and chloroplasts
Answer:
tRNA
Explanation:
transfer RNA (tRNA) assembles the protein (one amino acid at a time)
Answer:These contractile elements are virtually identical to skeletal muscle. ... (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, ... The refractory period is very long to prevent the possibility of tetany, a ... At this point, the calcium ion channels close and K+ channels open, allowing outflux ..
Explanation: