Which factors strongly influence enzyme activity?

Enzyme activity is significantly influenced by several factors, and the correct selection highlights the primary ones: temperature, moisture, and pH.

Temperature is critical as enzymes have an optimal temperature range within which they function most effectively. If the temperature is too low, the kinetic energy of the molecules decreases, resulting in slower reaction rates. Conversely, if the temperature exceeds the optimal level, enzymes can denature, losing their functional shape and efficacy.

Moisture is also vital since enzymes generally require a hydrated environment to facilitate chemical reactions. Water is a medium for many enzymatic reactions and helps in maintaining the structural integrity of enzymes. Without sufficient moisture, enzyme activity would be impaired.

pH levels impact enzyme activity as well; each enzyme has a specific pH range in which it operates best. Deviations from this range can alter the enzyme's charged state and structure, leading to decreased activity or denaturation.

Understanding these factors is essential for comprehending how enzymes function in various biological and chemical contexts. The other options mention factors that do not directly correlate with enzyme activity or influence it in less significant ways compared to the correct response.