Metabolism
What is the coenzyme form of riboflavin helps shuttle hydrogen atoms into the ETC?
FAD (Flavin Adenine Dinucleotide)
What is the name of a riboflavin deficiency?
Ariboflavinosis
What is another name for Vitamin B1?
Thiamin
What is the AI of Biotin?
30 mcg
True or False -> Riboflavin has a UL
False
What is the coenzyme form of thiamin?
TPP (Thiamin Pyrophosphate)
What are the groups at risk of riboflavin deficiency?
Vegans/Vegetarians, and Alcoholics
What is the chemical formula of biotin?
C10H16N2O3S
Does 6 oz of pork contain more or less than 90% of the RDA for thiamin?
More
What is the legume that provides around 87% of biotin per ¼ cup.
Peanuts
Which enzyme complex does TPP bind to when converting α-ketoglutarate?
α-Ketoglutarate Dehydrogenase
What symptom is specific to wet beriberi but not dry beriberi: edema or neuropathy?
Edema
Is thiamin stored in large amounts in the body?
No
Which food provides more thiamin per serving: Cheerios (100g) or flax seeds (1 oz)?
Cheerios
What is the protein in raw egg whites that binds to biotin and inhibits absorption.
Avidin
What molecule attaches to pyruvate to form Acetyl CoA?
Coenzyme A
What are two visible symptoms of biotin deficiency.
- Thinning hair
- skin cracks
- brittle nails
All three of these vitamins are what type of vitamin?
Water-Soluble
What would be the RDA of Riboflavin for a 17 yr old boy?
1.3 mg
What molecule is released as gas during pyruvate decarboxylation?
CO₂
What are the three processes that biotin is a coenzyme in?
Gluconeogenesis, fatty acid synthesis, amino acid metabolism
What group of people is most at risk for beriberi in developed nations?
Alcoholics
Which two molecules are made with the help of thiamin: Acetyl CoA and __________?
Succinyl-CoA
Why does Biotin have no RDA?
Most people get enough of it in their diet, along with it being made in your body.
What cell type fails to make ATP in dry beriberi?
Schwann Cells