Inorganic Ions

Question 1

What is an ion?

Answer 1

A charged particle that has lost or gained an electron

Question 2

What does inorganic mean?

Answer 2

Without carbon

Question 3

Phosphate formula

Answer 3

PO4 3-

Question 4

Uses in inorganic ions

Answer 4

Found in cytoplasm solution and body fluids of organisms

Question 5

Use of Hydrogen - H+ ions

Answer 5

-H+ concentration affects acidity of solutions (pH). A low pH = high H+ conc and a high pH = a low H+ conc
-Used in respiration and photosynthesis to provide energy for ATP

Question 6

Use of Iron - Fe2+ / Fe3+

Answer 6

Structural group of the haem group in haemoglobin, involved in binding to O2

Question 7

Use of sodium and potassium - Na+ and K+

Answer 7

-Na+ used in co-transport of glucose and amino acids from lumen of small intestine into intestinal epithelial cells
-Na+ and K+ used in nervous conduction

Question 8

Use of phosphate - PO4 3-

Answer 8

-DNA, RNA and ATP component
-Makes a molecule more reactive when added
-Component of phospholipids which makes up the cell surface and organelle membranes

Question 9

Use of nitrates - NO3 -

Answer 9

-Taken up from soil by plant roots by active transport
-Sole source of nitrogen used in making amino acids and nucleotides