[SOLVED] CHEM110 Week 7 Exam 3 (Oct 2026)

A substance has a half-life of 8 hours. How much remains after 24 hours if you start with 80 g?
Answers: A – D
A. 60 g
B. 10 g ✅
C. 20 g
D. 5 g

Which of the following can denature proteins? Select all that apply.
Answers: A – D
A. High heat ✅
B. Moderate temperature
C. Extreme pH ✅
D. High salt ✅

An enzyme without its cofactor is called a(an):
Answers: A – D
A. Holoenzyme
B. Isoenzyme
C. Apoenzyme ✅
D. Catalyst

Which vitamin acts as a coenzyme in energy metabolism?
Answers: A – D
A. Chloride
B. Vitamin B1 ✅
C. Potassium
D. Calcium………………………………….please purchase all questions and answers at $50 only