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Human Physiology
Lecture 2
13
Biology
Undergraduate 3
01/23/2013

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Cards

Term
Important roles of Electrons in Physiolgy
Definition
1) Form covalent bonds
2) Form ionic bonds
3)Capture and transfer energy
4)Form destructive Free radical!!!
Term
How do antioxidants prevent damage to cells?
Definition
They give up electrons without creating free radicals
Term
What causes a molecule to be polar
Definition
Uneven sharing of elctrons (electronegativity difference)
Term
Nonpolar molecules characteriscs (electron distribution and charges)
Definition
even distrubution of elctrons no partial charges
Term
What is a mole
Definition
6.02 x 10 ^23
Term
What are Equivalents?
Definition
molarity of ion x number of charges on the ion
ex. hpo4 (-2) has an equivalents of 2 per mole of hpo4 (-2)
Term
What is the most abundant type of molecules on earth
Definition
carbohydrates
Term
what is the most diverse type of molecules
Definition
Lipids
Term
What is Sucrose made out of ? Maltose? Lactose?
Definition
Fructose and Glucose
Glucose and Glucose
Galactose and Glucose
Term
What is the most versatile type of molecue
Definition
Proteins
Term
what is a peptide
Definition
a protein 10-100 amino acids long
Term
what is a polypeptide
Definition
a protein >100 long
Term
How many essential amnino acids are there ? What are they acroynm
Definition
Nine
K
F, M,L,
H,I,T
V,W
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