Answer:
yes yes yah yup correcto very gud noice
Explanation:
and yes
The cell membrane allows substances to enter and leave the cell and gives the cell structure.
Answer:
skeletal
Explanation:
skeletal bones are involuntary
That would be catalysts.
Catalysts accelerate (speed up) chemical reactions without damaging itself. They do this by decreasing the activation energy of a chemical reaction.
Enzymes are a type of catalysts.
Answer:
2, 3 and 5
Explanation:
Enzymes lower the activation energy, making life possible to occur as the reactions can happen quickly. But, they can be affected by temperature or pH, and they are always being constantly reused over and over in reactions.