Another name could be polypeptide.
<u>Cell</u><u> </u> is the fundamental, structural and functional unit of a living organism.
<span>Isometric muscular contractions do not change the length of the muscle they are responsible for movement. Isotonic muscular contractions will lengthen or shorten the muscle. Concentric contractions shorten the muscle. Eccentric contractions lengthen the muscle.</span>
Active transport is the energy-requiring process of pumping molecules and ions across membranes against a concentration gradient.
Endocytosis is the process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane, and bringing it into the cell