Answer:
electron
Explanation:
When a neutral atom lose an electron, it becomes a positively charged ion. That means the atom change when the electron is lost or gained. Hence, if the atom undergoes a change and becomes a positive ion, in this process the lost subatomic particle is electron.
1st of all arteries have a thick walls while veins have have a thin wall
Answer to why arteries have thick walls: arteries have thick walls because blood flows inside them with high pressure and with a high speed
Answer:
The plasma membrane is the thin, flexible boundary between a cell and its environment. Plasma membranes with less cholesterol will have decreased fluidity at low temperatures and higher fluidity at high temperatures compared to the membrane with more cholesterol. This is because it prevents the fatty acid tails from sticking together!
The spindle fibers attach to the sister chromatid
