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Biochemistry: Intro To Minerals: Ca
Calcium
16
Chemistry
Graduate
05/22/2010

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Cards

Term
Minerals and Trace Elements are inorganic substances that occur in what two forms?
Definition
- Simple forms (NaCl)
- Combination w/organic compounds (Iron in Hgb, S in proteins, etc)
Term
What are MACROminerals?
Definition
CaPS MgNaK (6)
Amount >100 mg/day
Term
What are MICROminerals with Established physiological role?
Definition
Cr, Co, Cu, F, I, Fe, Mn, Mo, Se, Zn.
CrCoCu SeFFe MnMo I Zn (10)
Term
What are MICROminerals which MAY have physiological role?
Definition
Sn (Tin), V (vanadium)

SiB Cd LiNi VSn Arsenic
Term
What is the criteria for essentiality for minerals?
Definition
- present in tissues of different animals at similar []
- Withdrawal has same phy/structural abnormalities regardless of species.
- Presence reverses/prevents abnormalities
- abnormalities are related to minerals
Term
Bioavailability (what is)
Definition
Term
Bioavailability is influenced by?
Definition
Term
Homeostasis
Definition
Term
How does body achieve homeostasis?
Definition
Term
Factors favoring and reducing absorption?
Definition
Term
Amount of Ca, P, Mg in Bones, Soft tissues?
Definition
Term
Ionized form vs protein bound vs complexed of Ca, P, Mg
Definition
Term
Extracellular calcium levels are detected by what?
Definition
CaRs
Term
What receptor permits Ca to act as an extracellular 1st messenger? (like a calciotropic hormone)
Definition
CaRs
Term
TRPV6
Definition
Ca T1 trasporter (trascellular)
Term
Across the cell Ca trasporter
Definition
Calbindin
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