<span>it has a specific activation site for enzyme attachment</span>
<span>Pepsin is an enzyme that breaks down proteins into amino acids in the stomach (where the pH is 1-3). Pepsin needs to be in an acidic environment to be activated. The optimum temperature is between 30 oC and 40 oC because the average human body temperature is 37 oC. The optimum pH is the acidic one because your stomach has an acidic pH.</span>
A.basic,bcoz if ph level increases its basic
Nature increases
Answer:
A laboratory (UK: /ləˈbɒrətəri/; US: /ˈlæbərətɔːri/; colloquially lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.
Explanation: