Ch. 2 Biochemistry (5th ed.) Exam Actual Questions and Answers 2026.docx

Ch. 2 Biochemistry (5th ed.) Exam
Actual Questions and Answers 2026
Chemistry -
correct answer ✅Study of matter and how it changes


Matter -
correct answer ✅Anything that has mass and takes up space


atom -
correct answer ✅Basic unit of matter


Proton -
correct answer ✅A subatomic particle that has a positive charge
and that is found in the nucleus of an atom


neutron -
correct answer ✅A subatomic particle that has no charge and
that is found in the nucleus of an atom


Electron -
correct answer ✅A subatomic particle that has a negative charge,
outside the atomic nucleus

, Ch. 2 Biochemistry (5th ed.) Exam
Actual Questions and Answers 2026
ion -
correct answer ✅A charged atom


anion -
correct answer ✅A negatively charged ion


cation -
correct answer ✅A positively charged ion


element -
correct answer ✅A pure substance made of only one kind of
atom


C, H, O, N, (P,S) -
correct answer ✅Most common elements in living things


mechanical energy -
correct answer ✅the energy associated with the motion and
position of everyday objects


acoustic energy -
correct answer ✅sound energy