inorganic ions

Question 1

what is an ion?

Answer 1

an atom with an electric charge
. a positive charge is cation
. a negative charge is anion

Question 2

what is an inorganic ion?

Answer 2

an ion that doesn’t contain carbon

Question 3

where are ions found?

Answer 3

Inorganic ions occur in solution in the cytoplasm and body fluids of organisms, some in high concentrations and others in very low concentrations.

Question 4

explain the importance of iron ions

Answer 4

. iron ions are found in the polypeptide chains of the haemoglobin protein
.haemoglobin carries oxygen around the body and is found in red blood cells
.iron ions is what binds to the oxygen that the haemoglobin carries

Question 5

explain the importance of hydrogen ions

Answer 5

. they determine the pH, the more H ions the lower and more acidic the pH
. this affects enzyme controlled reaction

Question 6

explain the importance of sodium ions

Answer 6

.they help transport glucose and amino acids across membranes, this is called co-transport

Question 7

explain the importance of phosphate ions

Answer 7

. found in ATP, DNA ,RNA
.bonds between phosphate groups store ATP
.in DNA and RNA they allow nucleotides to join up to form polynucleotides