For the answer to the question above, <span>Muscles can only contract, not push </span>
<span>"Muscle fiber generates tension through the action of actin and myosin cross-bridge cycling. While under tension, the muscle may lengthen, shorten or remain the same. Though the term 'contraction' implies shortening, when referring to the muscular system it means muscle fibers generating tension with the help of motor neurons (the terms twitch tension, twitch force, and fiber contraction are also used)."</span>
The answer is letter D. Substrate; Active Site The enzyme
itself remains unchanged. It advise the
active place of an enzyme is frequently reshaped by interactions with the
substrate until the substrate is completely bound and the chemical reaction
occurs, the lock and key model.
The effort put by scientist and sailors about earth is that they keep on going round the earth and putting their lives in danger and some even give their lives.
30.6 • 150 is the same as 4,500 + 90, or 4,590 million kilometers, oddly enough, this isn't one of the options for an answer. Perhaps there was a typo?
