Answer: They help control what enters and leaves the cell.
Explanation: carbohydrates also help the immune system identify if the cell is foreign or not.
Science is limited to only providing answers that are observable, testable and repeatable. Most scientific concepts such as evolution or creation are based on faith.
<span>A pedal steel guitar uses foot pedals and knee levers. It </span>allows the player to change pitches with his feet and knees (apex). <span>A pedal (or foot pedal) is something you can use if you want to alter the sound coming from your guitar or add various sound effects.</span>
Answer: protons
Explanation:
Changing the number of protons would change it into an atom of a different element.
