ACT Science Practice Question #1475 (Foundational (28)) | Test Citadel
TC
Test Citadel
ACT Science Difficulty: Foundational (28)

Digital ACT Science Practice Question #1475

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

A biology team measured the reaction velocity (in micromoles/min) of human salivary amylase across various pH levels at 37°C: Table 1: - pH 4.0: 12 umol/min - pH 5.5: 48 umol/min - pH 6.8: 110 umol/min - pH 7.0: 112 umol/min - pH 8.0: 65 umol/min - pH 9.5: 8 umol/min Based on Table 1, at which of the following pH values is salivary amylase most active?
Select Your Answer:
Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
⚡ 15-Second Desmos Speed Hack

Find the maximum value in the velocity column: 112 umol/min corresponds to pH 7.0.

Masterclass Solution & Distractor Trap Analysis

Table 1 indicates that the highest reaction velocity (112 umol/min) occurs at pH 7.0....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

🔒 Citadel Pro Scholar Vault

Unlock Full Solution & 2,600+ Official Drills

Access detailed Socratic steps, trap breakdowns, authentic timed module simulations, and Desmos speed hacks for just $9.99/mo.

Socratic Assistant

Targeted hints without disclosing final solutions.

I am your Socratic tutor. Click one of the quick guidance buttons above or ask a specific question below about a formula or method.