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NBCE Part 1 – Biochemistry Questions and Correct Answers | Latest Update

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Coenzymes are formed where? -:- In the intestinal mucosa Coenzymes are formed from what vitamin? -:- B vitamins What are the different types of B vitamins? -:- B1: Thiamin, B2: Riboflavin, B3: Niacin, B5: Panthotenic Acid, B6: Pyridoxine, B7: Biotin, B9: Folic Acid, B12: Cyanocobalamine, ...

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  • September 17, 2024
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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




NBCE Part 1 – Biochemistry Questions
and Correct Answers | Latest Update
Coenzymes are formed where?


✓ -:- In the intestinal mucosa




Coenzymes are formed from what vitamin?


✓ -:- B vitamins




What are the different types of B vitamins?


✓ -:- B1: Thiamin, B2: Riboflavin, B3: Niacin, B5: Panthotenic Acid, B6:

Pyridoxine, B7: Biotin, B9: Folic Acid, B12: Cyanocobalamine, These Ribs

Need PaPys B*tchin Food Cyanide




The active coenzyme created from thiamine (B1) is?


✓ -:- Thiamine pyrophosphate




Thiamine pyrophosphate has what function?


✓ -:- Decarboxylation.



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,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




In order to convert pyruvic acid to acetyl CoA, we need?


✓ -:- Thiamine pyrophosphate




Beri-Beri is a deficiency in?


✓ -:- Thiamine. Causes numbness in fingers and toes. (Rub berrys on

thighs)




Wernicke-korsakoffs is seen in who?


✓ -:- Alcoholics, from a deficiency in thiamine




What B-Vitamin contains sulfur?


✓ -:- B1: Thiamine, B5: Pantothenic acid.




The isoallaxazine ring system (Flavin Ring) is seen in what B-vitamin?


✓ -:- Riboflavin




What are the active coenzymes for riboflavin?


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,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!



✓ -:- FMN and FAD




Riboflavin is involved in?


✓ -:- Dehydrogenase enzymes:




What happens with hydrogen amounts during oxidation/reduction?


✓ -:- OIL RIG (Oxidation LOSE hydrogen) Reduction (GAIN hydrogen)




Succinate uses what to turn into Fumarate?


✓ -:- Succinate dehydrogenase




FAD, from riboflavin, will gain 2Hs, turning it into FADH2 during what phase of the krebs

cycle?


✓ -:- When succinate turns into fumarate. (S-F-F)




The two Hs gained from FAD turning into FADH2 can be brought to the electron transport

chain and cashed in for how many ATP?


✓ -:- 2 ATPs!!



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, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!




Deficiency in riboflavin leads to?


✓ -:- Cheilosis (Severe cracking of lips) Yellow urine




Niacin can be taken in from what amino acid?


✓ -:- Tryptophan (Trip on a Fan at Night)




Niacins active coenzymes are


✓ -:- NAD and NADP (NAD for catabolism ) (NADP for anabolism)




This coenzyme is involved in catabolism


✓ -:- NAD (Niacin) (Dilated vessels on this CAT)




This enzyme is a vasodilator and has a hypocholesterolemic effect (lowers cholesterol)


✓ -:- Niacin




This coenzyme is involved in anabolism




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