The structure that surround and protect the cell depends on the cell type: for plants cells it would be a cell wall whereas for an animal cell it would be the cell membrane :)
A mutation is a change in trait. For example people who are lactose intolerant are normal, but people that can can drink milk without a problem have mutated. Hopefully this makes sense and helped.
Answer: B. Does this medicine reduce fevers?
Explanation: This is because you can run experiments and use the scientific method to answer your question.
Carbohydrates are not important as a stimulus in the gastric phase of gastric secretion, whereas distension, peptides, and low acidity are.
Mesophiles are group of bacteria that grow best in such conditions.
