Ions Flashcards
1
Q
Ca2+
A
Transmission of nerve impulses, release of insulin, cofactor for enzymes, bone formation
2
Q
Na+
A
Generating nerve impulses, muscle contraction and for regulating fluid balance.
3
Q
K+
A
Important for generating nerve impulses, for muscle contraction, regulate fluid balance, activates essential enzymes for photosynthesis.
4
Q
H*
A
Affects pH, photosynthesis reactions in thylakoids.
5
Q
NH4+
A
Absorbed from soil by plants and is important source of nitrogen.
6
Q
HCO3-
A
Acts as buffer maintains pH of the blood.
7
Q
Cl-
A
Chloride shift, maintains pH of blood for gas exchange. Cofactor for enzyme amylase. Nerve impulses.
8
Q
PO43-
A
Involved in photosynthesis and respiration, nucleotides
9
Q
OH-
A
Affects pH of substances.
10
Q
NO3-
A
Absorbed from soil by plants and is source of nitrogen.
