Chapter 3 - Ions

Question 1

ammonium ion

Answer 1

product of decomposition, production of nitrate ions by bacteria, maintain PH levels by mopping up H plus ions

Question 2

nitrate ion

Answer 2

taken up by plants

Question 3

chlorine ion

Answer 3

balances charges in RBCs

Question 4

hydrogen carbonate

Answer 4

carbon dioxide transported in blood, maintenance of blood PH

Question 5

sodium, potassium

Answer 5

action potential

Question 6

H plus ion

Answer 6

PH determination , catalysis of reactions, respiration - drives the production of ATP

Question 7

calcium

Answer 7

synaptic transmission and muscle contraction

• harden bones, teeth
• help regulate protein channels, which affects permeability of cell membranes

Question 8

phosphate

Answer 8

DNA structure, phospholipid structures - cell membrane formation, nucleic acid, atp formation, bone formation

Question 9

Potassium ion

Answer 9

stomatal opening, maintenance of PH, Nervous transmission, assisting active transport , osmotic potential, healthy leaves in plants

Question 10

sodium

Answer 10

kidney function, nerve impulse transmission, maintenance of PH

Question 11

hydroxide ions

Answer 11

catalysis of reactions, PH determination