SCI 228 Week 3 Quiz 2025| Chamberlain University|
Actual Exam Questions and Correct Answers
Question 1: (CO 3) Which of the following foods is the richest source of omega-3 fatty acids?
A. Butter
B. Salmon
C. Coconut oil
D. Beef
Correct answer: B
Explanation: Salmon is rich in omega-3 fatty acids (e.g., DHA, EPA), unlike butter, coconut oil,
or beef, which are higher in saturated fats.
Question 2: (CO 3) Which of the following foods are rich sources of saturated fatty acids?
A. Olive oil
B. Butter and red meat
C. Salmon
D. Avocado
Correct answer: B
Explanation: Butter and red meat are high in saturated fats, while olive oil, salmon, and avocado
contain mostly unsaturated fats.
Question 3: (CO 3) The absorption of proteins occurs in the:
A. Stomach
B. Small intestine
C. Large intestine
D. Esophagus
Correct answer: B
Explanation: Proteins are broken down into amino acids in the stomach and absorbed primarily
in the small intestine.
, Question 4: (CO 3) During the process of protein synthesis, _____ is the step in which
messenger RNA is decoded into an amino acid sequence at the cell’s ribosome.
A. Transcription
B. Translation
C. Replication
D. Modification
Correct answer: B
Explanation: Translation is the process where mRNA is decoded at the ribosome to form an
amino acid sequence.
Question 5: (CO 3) Per gram, which of the following foods would contain the highest protein
content?
A. Rice
B. Chicken breast
C. Broccoli
D. Apple
Correct answer: B
Explanation: Chicken breast (~26g protein/100g) has significantly higher protein content per
gram than plant-based foods.
Question 6: (CO 3) The process of combining two incomplete proteins to make a complete
protein is called:
A. Mutual supplementation
B. Protein synthesis
C. Denaturation
D. Transamination
Correct answer: A
Explanation: Mutual supplementation combines incomplete proteins (e.g., beans and rice) to
provide all essential amino acids.
Actual Exam Questions and Correct Answers
Question 1: (CO 3) Which of the following foods is the richest source of omega-3 fatty acids?
A. Butter
B. Salmon
C. Coconut oil
D. Beef
Correct answer: B
Explanation: Salmon is rich in omega-3 fatty acids (e.g., DHA, EPA), unlike butter, coconut oil,
or beef, which are higher in saturated fats.
Question 2: (CO 3) Which of the following foods are rich sources of saturated fatty acids?
A. Olive oil
B. Butter and red meat
C. Salmon
D. Avocado
Correct answer: B
Explanation: Butter and red meat are high in saturated fats, while olive oil, salmon, and avocado
contain mostly unsaturated fats.
Question 3: (CO 3) The absorption of proteins occurs in the:
A. Stomach
B. Small intestine
C. Large intestine
D. Esophagus
Correct answer: B
Explanation: Proteins are broken down into amino acids in the stomach and absorbed primarily
in the small intestine.
, Question 4: (CO 3) During the process of protein synthesis, _____ is the step in which
messenger RNA is decoded into an amino acid sequence at the cell’s ribosome.
A. Transcription
B. Translation
C. Replication
D. Modification
Correct answer: B
Explanation: Translation is the process where mRNA is decoded at the ribosome to form an
amino acid sequence.
Question 5: (CO 3) Per gram, which of the following foods would contain the highest protein
content?
A. Rice
B. Chicken breast
C. Broccoli
D. Apple
Correct answer: B
Explanation: Chicken breast (~26g protein/100g) has significantly higher protein content per
gram than plant-based foods.
Question 6: (CO 3) The process of combining two incomplete proteins to make a complete
protein is called:
A. Mutual supplementation
B. Protein synthesis
C. Denaturation
D. Transamination
Correct answer: A
Explanation: Mutual supplementation combines incomplete proteins (e.g., beans and rice) to
provide all essential amino acids.
