Which of the following enzymes typically shows optimal activity under neutral conditions (around $pH=7$)?

Enzymes in human cells tend to perform best under which of the following conditions?

In humans, alcohol dehydrogenase (ADH) is a cytosolic enzyme that oxidizes ethanol; which pH is closest to its optimal activity under physiological conditions?

In the context of optimal enzyme conditions, which statement best describes how increasing temperature typically affects enzyme activity for a typical mammalian enzyme?

Which two environmental conditions most directly affect an enzyme's activity by altering its conformation and reaction rate?

Which statement best explains how pH affects enzyme activity under optimal enzyme conditions?

Which of the following is NOT a physical condition required for the optimal function of an enzyme?