NHM 361 FINAL QUESTIONS &
ANSWERS RATED A+ 2025/2026
Which vitamin is part of Acetyl-CoA? - correct answer ✔✔VITAMIN B5 PANTOTHENIC ACID
Which vitamin serves as a precursor of FAD and FMN? - correct answer ✔✔RIVOFLAVIN (B2)
Which metabolic pathway does not require NAD+/NADH? - correct answer ✔✔FATTY ACID
OXIDATION IT REQUIRES FAD
Which metabolic pathway requires both niacin and riboflavin? - correct answer ✔✔beta
oxidation
What action of vitamin C supports collagen synthesis? - correct answer ✔✔PROYL HYDROXLASE
AND LYSL HYRODLYSE
Which nutrient's abundance is highly associated with the quality of the soil? - correct answer
✔✔SELENIUM
Which vitamin is not required for pyruvate dehydrogenase complex? - correct answer
✔✔pyroxidine (B6)
Vitamin C is an antioxidant. How does it work as an antioxidant? - correct answer ✔✔Vitamin C
has the ability to donate an electron to other molecules; therefore, it can reduce levels of
harmful biological oxidants.
, Describe the process by which preproinsulin (which is synthesized on the ribosomes) undergoes
proteolytic cleavage to form insulin. Post translational modification is discussed on slide -
correct answer ✔✔Post-translation modification: chemical modification of protein after
translation. Regulates activity, location, 3D structure, and interaction with other
biomolecules.Post translation- translocation occurs after a polypeptide has been fully translated
in the cytosolInsulin, originally produced as preproinsulin, is transformed into a proinsulin by
proteolytic action and finally into the active polypeptide hormone, insulin.
During translation of the mRNA at the ribosome, the movement of the ribosome causes
translocation of the tRNA. This would be from what site to the other site? - correct answer
✔✔IT RECEIVES THE NEW TRNA ON THE A SITE AND. THEN REJECTS THE OLD TRNA ON THE E
SITE
What sugar is found in DNA? - correct answer ✔✔deoxyribose
Vitamin D is thought to be able to cause ubiquitination of the peptide amyloid beta which is
associated with Alzheimers disease and delay the disease. How would you describe this
mechanism? It would be described as Vitamin D regulating the degradation of amyloid beta. -
correct answer ✔✔It would be described as Vitamin D regulating the degradation of amyloid
beta
How is a poly-A tail made on the 5' end of RNA? - correct answer ✔✔IT IS FORMED BY POLY A
POLYMERASE
Where in the cell does transcription occur? It is where you find DNA....what is its name? -
correct answer ✔✔NUCLEUS
Which type of RNA carries a codon? - correct answer ✔✔MRNA
Which type of RNA carries an anticodon? - correct answer ✔✔TRNA
ANSWERS RATED A+ 2025/2026
Which vitamin is part of Acetyl-CoA? - correct answer ✔✔VITAMIN B5 PANTOTHENIC ACID
Which vitamin serves as a precursor of FAD and FMN? - correct answer ✔✔RIVOFLAVIN (B2)
Which metabolic pathway does not require NAD+/NADH? - correct answer ✔✔FATTY ACID
OXIDATION IT REQUIRES FAD
Which metabolic pathway requires both niacin and riboflavin? - correct answer ✔✔beta
oxidation
What action of vitamin C supports collagen synthesis? - correct answer ✔✔PROYL HYDROXLASE
AND LYSL HYRODLYSE
Which nutrient's abundance is highly associated with the quality of the soil? - correct answer
✔✔SELENIUM
Which vitamin is not required for pyruvate dehydrogenase complex? - correct answer
✔✔pyroxidine (B6)
Vitamin C is an antioxidant. How does it work as an antioxidant? - correct answer ✔✔Vitamin C
has the ability to donate an electron to other molecules; therefore, it can reduce levels of
harmful biological oxidants.
, Describe the process by which preproinsulin (which is synthesized on the ribosomes) undergoes
proteolytic cleavage to form insulin. Post translational modification is discussed on slide -
correct answer ✔✔Post-translation modification: chemical modification of protein after
translation. Regulates activity, location, 3D structure, and interaction with other
biomolecules.Post translation- translocation occurs after a polypeptide has been fully translated
in the cytosolInsulin, originally produced as preproinsulin, is transformed into a proinsulin by
proteolytic action and finally into the active polypeptide hormone, insulin.
During translation of the mRNA at the ribosome, the movement of the ribosome causes
translocation of the tRNA. This would be from what site to the other site? - correct answer
✔✔IT RECEIVES THE NEW TRNA ON THE A SITE AND. THEN REJECTS THE OLD TRNA ON THE E
SITE
What sugar is found in DNA? - correct answer ✔✔deoxyribose
Vitamin D is thought to be able to cause ubiquitination of the peptide amyloid beta which is
associated with Alzheimers disease and delay the disease. How would you describe this
mechanism? It would be described as Vitamin D regulating the degradation of amyloid beta. -
correct answer ✔✔It would be described as Vitamin D regulating the degradation of amyloid
beta
How is a poly-A tail made on the 5' end of RNA? - correct answer ✔✔IT IS FORMED BY POLY A
POLYMERASE
Where in the cell does transcription occur? It is where you find DNA....what is its name? -
correct answer ✔✔NUCLEUS
Which type of RNA carries a codon? - correct answer ✔✔MRNA
Which type of RNA carries an anticodon? - correct answer ✔✔TRNA
