Arginine and lysine are in histones which bind negatively charged DNA biochemistry Sep 19, 2019, 5:26 AM HirotoShishido
How long do water soluble vitamins stay in the body?all are washed out easily from body except for B12 and B9
B12 stored in liver for 3-4 years(depletion will take longer)
☆B9 stored in liver for 3-4 months
→★folate deficiency arises far more quickly biochemistryUWorldUWorld step2CK Jul 17, 2019, 11:27 PM HirotoShishido
phenylketouria
findingsHypopigmentation involving the skin, hair, eyes, and ☆catecholaminergic brain nuclei (which produce a dark pigment known as neuromelanin) results from the inhibitory effect of excess phenylalanine on melanin synthesis.
intellectual disability, growth retardation, seizures, fair complexion(face skin), eczema, musty body odor. biochemistryUWorld Mar 9, 2020, 2:05 AM HirotoShishido
cystinuria
pathophysiologya defect in amino acid reabsorption in the ☆proximal tubule that leads to defective reabsorption of cystine, ornithine, lysine, and arginine(COLA)
infertility in cystic fibrosisimproper development of the ☆mesonephric (Wolffian) duct system, which most often leads to a defective vas deferens biochemistry Dec 31, 2019, 7:32 AM HirotoShishido
the most abundant form of RNA in the human bodyribosomal RNA
(constituting about 80% of all RNAs) biochemistrybiology Dec 30, 2019, 2:05 AM HirotoShishido
allelic heterogeneity
locus heterogeneityallelic→ different mutations at the same locus produce a similar phenotype
β-thalassemia
what enzyme for gluconeogenesis is activated by acetyl-CoA?pyruvate carboxylase(produce oxaloacetate from pyruvate) biochemistry Dec 20, 2019, 12:00 AM HirotoShishido
dopamin β-hydroxylase deficiency
symptomsdysfunctional autonomic system
which has no neurologic symptoms, folate deficiency, or cobalamin deficiency?folate deficiency has no neurological symptoms biochemistryhematology Nov 20, 2019, 3:17 AM HirotoShishido
treatment for Wilson disease, hemochromatosisWilson→ chelation with ☆penicillamine
when should children be introduced to complimentary baby foodat 6 months of age
Breast milk contains very little iron, approximately 0.35 mg/liter. After 6 months, most infants’ iron stores have been depleted, so this iron needs to come from complementary foods +/- fortified formula biochemistrypediatrics Nov 1, 2019, 9:10 PM HirotoShishido