CHEM 210 TEST 7 EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A PLUS

CHEM 210 TEST 7 EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A
PLUS
CHEM 210 TEST 7 2026/2027 Comprehensive Study
Guide FULL Solutions Passed Questions and
Answers Verified Solutions Latest Update

Question:
What biochemists study.

Answer:
Structure-function relationships, chemical reactions of organisms, and communication
within/between organisms.



Question:
Luciferin.

Answer:
Light-producing molecule found in fireflies.



Question:
Luciferase.

Answer:
Enzyme that catalyzes luciferin's bioluminescence reaction.



Question:
Bioluminescence.

Answer:
Light emission from a biochemical reaction.



Question:

,Medium of life.

Answer:
Water.



Question:
Bulk elements.

Answer:
C, H, O, N, P, S, Na, K, Ca, Cl.



Question:
Trace elements.

Answer:
Mg, Fe, Zn, I, Mn, Co, Ni, Mo, Cu, Se, etc.



Question:
Why small atoms dominate biology.

Answer:
They form strong covalent bonds due to better orbital overlap.



Question:
Percent water in organisms.

Answer:
Up to 85-90%.



Question:
Transition metals in biology.

, Answer:
Present in trace amounts; essential roles like Fe in hemoglobin.



Question:
Organic molecule requirement.

Answer:
Must contain carbon, often C-H bonds.



Question:
Is CO2 organic?

Answer:
No.



Question:
Is H2O organic?

Answer:
No.



Question:
Is C100H202 organic?

Answer:
Yes.



Question:
Strongest covalent bonds formed by.

Answer: