The sled with a rough metal bottom would take more force to move over ice, because the rough surface would increase friction and the force needed.
Damage to cell membrane can also lead to leakage of important cell constituents required for various metabolism of the cell. There can also be imbalance of electrolyte concentration in the cell which could lead to damage of proteins and organelles of the cell.
Well there's Water, Earth, Fire, and Air. Not quite sure how this would be a school question. But here it is.
Answer : Determine the skater's average velocity from t=0s to t= 12s. Velocity = displacement Xp-X, 1 time met 0-0 12 secs
Enzymes are specific. So each enzyme breaks down a specific substance. Don't know if this makes sense lol
