Inorganic ions

Question 1

Inorganic ions

Answer 1

occur in solutions in the cytoplasm and body fluids of organisms.

Question 2

Phosphate ions

Answer 2

• Attached to other molecules as a phosphate group.
• Phosphate ions form the phosphate groups DNA/RNA nucleotides. Enables nucleotides to join together-phosphodiester bond
• Phosphate ions form phosphate groups of ATP. Breaking the bond between the phosphate groups in ATP releases energy

Question 3

Hydrogen ions

Answer 3

• Maintains pH levels in the body. Too much H+= acidic Too little H+ = Alkaline
• Affects the rate of enzyme controlled reactions as can cause enzymes to denature

Question 4

Iron ions

Answer 4

• Component of haemoglobin which is contained in red blood cells.
• Transports oxygen around the body- Oxygen temporarily binds to its so it becomes fe3+

Question 5

Sodium Ions

Answer 5

-Co-transport of glucose and amino acids across cell membranes