Answer:
1.
Explanation:
Controlling the level of sugar in the blood is an example of a feedback mechanism
The answer would be B i believe<span>(a protease) begins the chemical digestion of protein</span>
Answer:
The main difference between microtubules and microfilaments is that microtubules are long, hollow cylinders, made up of tubulin protein units whereas microfilaments are double-stranded helical polymers, made up of actin proteins.
These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA. Eukaryotes also have a golgi apparatus that packages and distributes proteins. Hope this helps!
