EXAM 3: CHEM120/ CHEM 120
(LATEST 2025/ 2026 UPDATE)
INTRODUCTION TO GENERAL,
ORGANIC & BIOLOGICAL
CHEMISTRY 2025 LATEST
NEWEST UPDATE WITH 180
ACTUAL QUESTIONS AND
DETAILED VERIFIED ANSWERS
WITH RATIONALES (100%
CORRECT) //BRAND NEW!!
/ALREADY GRADED A+ WITH
GUARANTEED SUCCESS AFTER
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PASS YOUR EXAMS
, A 60 gram sample of radioactive material has a half life of 5 years, after 10 years how many
grams of the original radioactive material will remain?
15 grams
When polonium-255 decays by positron emission, what is the product?
Bismuth-255
Which of the following are examples of proteins?
Enzymes, antibodies
Choose the carbohydrate that is classified as a polysaccharide
Starch
Which of the following molecules participate in the formation of a fatty ester
Glycerol, fatty acids
if a lipid is classified as a fat i would expect it to
be solid at room temperature, have a structure not containing C=C double bonds
A fragment of the coding strand of DNA reads in part as TAC-CGA-GAC-TAG, the code of
the template strand would be
ATG-GCT-CTG-ATC
Select the biomolecules that are part of the transcription process
mRna, DNA
Which is the term for the process in which a protein is synthesized from mRNA at the
ribosomes
Translation
Which of the categories of biological macromolecules below contains fats and oils
Lipids
The level of protein structure that involves the interactions of multiple polypeptide strands to
form more complex structures
Quaternary
Which is the main role of enzymes in the body?
(LATEST 2025/ 2026 UPDATE)
INTRODUCTION TO GENERAL,
ORGANIC & BIOLOGICAL
CHEMISTRY 2025 LATEST
NEWEST UPDATE WITH 180
ACTUAL QUESTIONS AND
DETAILED VERIFIED ANSWERS
WITH RATIONALES (100%
CORRECT) //BRAND NEW!!
/ALREADY GRADED A+ WITH
GUARANTEED SUCCESS AFTER
DOWNLOAD (ALL YOU NEED TO
PASS YOUR EXAMS
, A 60 gram sample of radioactive material has a half life of 5 years, after 10 years how many
grams of the original radioactive material will remain?
15 grams
When polonium-255 decays by positron emission, what is the product?
Bismuth-255
Which of the following are examples of proteins?
Enzymes, antibodies
Choose the carbohydrate that is classified as a polysaccharide
Starch
Which of the following molecules participate in the formation of a fatty ester
Glycerol, fatty acids
if a lipid is classified as a fat i would expect it to
be solid at room temperature, have a structure not containing C=C double bonds
A fragment of the coding strand of DNA reads in part as TAC-CGA-GAC-TAG, the code of
the template strand would be
ATG-GCT-CTG-ATC
Select the biomolecules that are part of the transcription process
mRna, DNA
Which is the term for the process in which a protein is synthesized from mRNA at the
ribosomes
Translation
Which of the categories of biological macromolecules below contains fats and oils
Lipids
The level of protein structure that involves the interactions of multiple polypeptide strands to
form more complex structures
Quaternary
Which is the main role of enzymes in the body?
