Answer:
The correct answer is option - B. proteins.
Explanation:
The muscle contraction needs two protein that is essential in contraction. The muscle has motor protein myosin and spherical protein actin that are slide on one other in contraction that helps in muscle to contraction.
In the contraction, these protein filaments help to change in length and shape of the muscles. Thin filaments involve actin and thick filament in is myosin filaments.
Thus, the correct answer is option - b. proteins.
Answer:
Oxytocin and antidiuretic hormone
Answer:
sell the drugs to doctors
Explanation:
only came for the points
C. The cell took in another ancient prokaryotic cell, which began living inside it.
