Flashcards in Biochemistry- Nutritional Chemistry Deck (60)
Vitamin B1 is known as what?
Vitamin B2 is known as what?
Vitamin B3 is known as what?
Niacin/ nicotinic acid
Vitamin B5 is known as what?
Vitamin B6 is known as what?
Vitamin B12 is known as what?
What is the active form of B1/thiamin called?
Vitamin B1 requires what mineral?
Transketolase in the hexose shunt requires what vitamin?
Oxidative carboxylation in the pyruvate dehydrogenase complex needs what vitamin?
Where is B1 absorbed?
FAD and FMN are active constituents of what vitamin?
Where is riboflavin absorbed?
What vitamins are used in oxidation-reduction reactions/ electron transfer reactions (dehydrogenase enzymes)
B3 and B2 (niacin and riboflavin)
What form of niacin is used in synthesis pathways?
NAD and NADH are the oxidized and reduced forms of what vitamin?
What amino acid can form niacin?
What is the active form of pantothenic acid/B5?
Where is B5/Pantothenic acid absorbed?
Intestinal mucosa/ brush border
Which vitamin is essential for reactions using CoA?
Pyridoxal phosphate is the active form of what vitamin?
What mineral is needed to activate B6?
What vitamin plays a role in transamination reactions?
Which vitamin is essential for nucleotide synthesis and for single carbon transfers?
What vitamin serves as CO2 carrier in carboxylation reactions?
What vitamin is needed as a cofactor to activate folic acid?
What is the first active form of B12?
List some of the biochemical activities of Vitamin C
cofactor for hydroxylation reactions eg. proline, dopamine and NE/Epi synthesis
Enhances Iron mobilization, Bile acid formation
influence on cholesterol metabolism
What is the active form of Vitamin A in the blood?
What i the active form of Vitamin A in the eyes?
What is the active form of Vitamin A in epithelial cells?
Beta carotene is a precursor to what vitamin?
What is the storage form of Vitamin A in the liver?
Where is vitamin A absorbed?
Lumen of SI
Which of the active forms of Vitamin D increases serum calcium?
1, 25 di(OH)D
Which of the active forms of Vitamin D lowers serum calcium?
24, 25 di(OH)D
Where are the inactive metabolites of vitamin D converted into an active form?
Which hormone plays a role in activating Vitamin D?
Where is Vitamin E stored?
adipose tissue (fat soluble)
What converts 7-hydroxycholesterol into cholecalciferol?
sunlight on the skin
What vitamin is required for the biosynthesis of clotting factors?
Which vitamin is a cofactor in post synthetic modification of proteins via carboxylation reaction, which allows for the chelation of Calcium?
What is the active form of Vitamin K?
Which mineral is important for energy producing reactions?
The production of osteocalcin is dependent on what vitamin?
What mineral is important for clotting?
This mineral, once it is attached to a substance, traps it inside a cell
All the reactions using ATP use this mineral as a cofactor
This mineral is a constituent of DNA and RNA
The mineral activates a number of B Vitamins
Which mineral is the most abundant intracellularly?
What mineral is in cytochromes?
Which mineral is an insulin co-factor?
Which mineral is a part of glutathione peroxidase?
Which mineral is a part of Vitamin B12?
Which mineral is needed for cholesterol synthesis?
What is in blood transport of iron?
What is the main storage of iron?
What stores excess iron?