3.1 biological elements Flashcards
(14 cards)
1
Q
role of Ca 2+
A
nerve impulse transmission and muscle contraction
2
Q
role of Na+
A
nerve impulse transmission and kidney function
3
Q
role of K+
A
nerve impulse transmission and stomatal opening
4
Q
role of H+
A
catalysis of reaction and pH determination
5
Q
role of NH4 +
A
production of nitrate ions by bacteria
6
Q
role of NO3 -
A
nitrogen supply to plants for amino acid and protein formation
7
Q
role of HCO3 -
A
maintenance of blood pH
8
Q
role of Cl -
A
balance positive charge on Na + and K + in cells
9
Q
role of PO4 3-
A
cell membrane, nucleic acid, ATP and bone formation
10
Q
role of OH-
A
catalysis of reactions and pH determination
11
Q
what elements are in carbohydrates?
A
C H O
12
Q
what elements are in lipids?
A
C H O
13
Q
what elements are in proteins?
A
C H O N S
14
Q
what elements are in nucleic acids?
A
C HO N P
