inorganic ions

Question 1

where are inorganic ions found

Answer 1

Inorganic ions are found in solution in the cytoplasm and the body fluids of organisms

Question 2

Hydrogen: H+ (acid)

Hydroxide: OH- (alkali)

Answer 2

Affect the acidity of solutions (pH) H+ used in respiration to provide energy to make ATP H+ Used in photosynthesis to provide energy to make ATP

Question 3

Iron: Fe2+/Fe3+

Answer 3

Structural component of haemoglobin (binds O2) to allow the transport of oxygen to respiring tissues

Question 4

Sodium: Na+

Answer 4

Used in the co-transport of glucose and amino acids from the lumen of the small intestine, into intestinal epithelial cells.
Changes the water potential of the immediate area.
Also used in nervous conduction.

Question 5

Phosphate: PO43-

Answer 5

Components of phospholpipds (make the cell and organelle membranes), DNA, RNA and ATP

Question 6

Nitrites and Nitrates: NO2- and NO3-

Answer 6

Taken up from the soil by plant roots. Used in making amino acids.

Question 7

Chloride: Cl-

Answer 7

Used in regulating the water potential of the small intestine