NBCE Part 1 - Biochemistry Questions and Answers New (2024/2025) Solved 100% Correct
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NBCE Part 1 - Biochemistry
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NBCE Part 1 - Biochemistry
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!!
What happens with hydrogen amounts during oxidation/reduction? - OIL RIG (Oxidation LOSE
hydrogen) Reduction (GAIN hydrogen)
What are the different types of B ...
NBCE Part 1 - Biochemistry
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!!
What happens with hydrogen amounts during oxidation/reduction? - OIL RIG (Oxidation LOSE
hydrogen) Reduction (GAIN hydrogen)
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
Coenzymes are formed where? - In the intestinal mucosa
Coenzymes are formed from what vitamin? - B vitamins
The active coenzyme created from thiamine (B1) is? - Thiamine pyrophosphate
Thiamine pyrophosphate has what function? - Decarboxylation.
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? - FMN and FAD
Riboflavin is involved in? - Dehydrogenase enzymes:
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)
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 - NADP
Niacin is involved in what types of enzymes? - Dehydrogenase enzymes.
NAD is used at what part of the krebs cycle? - Malate to oxaloacetate using malate
dehydrogenase. (M-N-O)
Deficiency in niacin, characterized by dermatitis, diarrhea, and dementia. - Pellagra
, What is the active form of B5- Pantothenic acid? - Coenzyme A, CoASH.
What is the function of coenzyme A? - Attaches to something to activate it, forming high energy
bond. - Oxidation of pyruvate in citric acid cycle
What B vitamin is necessary to metabolize protein? - Pyridoxine (Pyro, need fire to cook meat)
What is the active form of pyridoxine? - Pyridoxal phosphate, Pyridoxamine phosphate
Transaminase enzymes require what B-vitamin? - B6. Trans Am has a B6 engine.
Tryptophan can transaminate to (and vice versa) - Niacin(Trip on a fan at night)
Pyruvate can transaminate to (and vice versa) - Alanine(Pirates w/ 6 packs believe in Allah)
Glutamate can transaminate to (and vice versa) - Alpha-ketoglutarate
Aspartate can transaminate to (and vice versa) - Oxaloacetate(Oxes in Aspen)
Oral contraceptives can cause a deficiency in? - B6. Pyrodoxine (Six is killed by oral contraceptives.
Sex is killed by oral contraceptives)
What is the active form of B9 - folate? - Tetrahydrofolate
What is necessary for the formation of tetrahydrofolate from folic acid? - Vitamin C and NADP
What is the function of folic acid? - Formation of purines and pyrimidines, Maturation of RBCs
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