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PORTAGE LEARNING CHEM 103 EXAM 2026 COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

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PORTAGE LEARNING CHEM 103 EXAM 2026 COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

Institution
PORTAGE LEARNING CHEM 103
Course
PORTAGE LEARNING CHEM 103

Content preview

FINAL EXAMINATION PAPER dd dd




dd PORTAGE LEARNING CHEM 103 CHEMISTRY EXAM ANSWERS dd dd dd dd dd dd




STUDENT NAME: ________________________________
dd dd DATE: _____________
dd




COURSE: chem 210 final exam Cartes dd dd dd dd dd TIME: _____________
dd




EXAM CODE: PORTAGE LEARNING CHEM 103 CHEMIST
dd dd dd dd dd dd



RY EXAM ANSWERS-101
dd dd




EXAM INSTRUCTIONS: dd



1. Print your full name and date clearly in the header above.
dd dd dd dd dd dd dd dd dd dd dd



2. This exam booklet contains both Test Questions (Part I) and Verified Solutions (Part II).
dd dd dd dd dd dd dd dd dd dd dd dd dd dd



3. Answer all multiple-choice questions clearly. Double-check your work.
dd dd dd dd dd dd dd dd



4. Do not break the seal or open this booklet until instructed to do so by the proctor.
dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd




Q1. T/F nitrogen is called the superglue of the chemical world
dddd dd dd dd dd dd dd dd dd dd




[Verified Solution]: false dd dddd




Q2. T/F large elements, such as strontium, are common in biomolecules
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[Verified Solution]: false dd dddd




Q3. T/F the time it takes for a compound to flow through a metabolic pathway is called the p
dddd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd



ayoff phase dd




[Verified Solution]: false dd dddd




Q4. T/F proteins, carbohydrates, and fats all get broken down into acetyl-CoA
dddd dd dd dd dd dd dd dd dd dd dd




[Verified Solution]: true dd dddd




Q5. T/F a fat is a lipid molecule that is a solid at room temperature
dddd dd dd dd dd dd dd dd dd dd dd dd dd dd




[Verified Solution]: true dd dddd




Q6. in DNA, guanine always pairs with ____
dddd dd dd dd dd dd dd



A. thymine
dd



B. guanine
dd

, C. uracil
dd



D. cytosine
dd



E. both A and B
dd dd dd dd




[Verified Solution]: D. cytosine dd dddd dd




Q7. what is a unique molecule. which of the following contributes to water's unique place in t
dddd dd dd dd dd dd dd dd dd dd dd dd dd dd dd dd



he chemical world?
dd dd



A. the geometry of the molecule
dd dd dd dd dd



B. the polarity of the O-H bonds
dd dd dd dd dd dd



C. the ability of water molecules to hydrogen bond
dd dd dd dd dd dd dd dd



D. the bond angle of water
dd dd dd dd dd



E. all of the answers are correct
dd dd dd dd dd dd




[Verified Solution]: E. all of the answers are correct
dd dddd dd dd dd dd dd dd




Q8. the H+ concentration of a solution is 7.9x10^-13M. what is the pH?
dddd dd dd dd dd dd dd dd dd dd dd dd



A. -6.70
dd



B. 6.70
dd



C. 11.17
dd



D. -12.1
dd



E. 12.1
dd




[Verified Solution]: E. 12.1 dd dddd dd




Q9. which of the following is the enthalpy change of a reaction?
dddd dd dd dd dd dd dd dd dd dd dd



A. delta G
dd dd



B. delta S
dd dd



C. delta H
dd dd



D. delta F
dd dd



E. none of the above
dd dd dd dd




[Verified Solution]: C. delta H dd dddd dd dd




Q10. a globular protein is an example of a protein _____
dddd dd dd dd dd dd dd dd dd dd



A. motif
dd



B. conformation
dd



C. secondary structure
dd dd



D. quaternary structure
dd dd



E. amino acid
dd dd




[Verified Solution]: B. conformation dd dddd dd

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Institution
PORTAGE LEARNING CHEM 103
Course
PORTAGE LEARNING CHEM 103

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