biological molecules (ions)

Question 1

what is the function of a calcium ion (ca 2+)

Answer 1

nerve impulse transmissions

muscle contraction

Question 2

what is the function of a sodium ion (Na+)

Answer 2

nerve impulse

kidney function

Question 3

what is the function of a potassium ion? (K+)

Answer 3

nerve impulse

stomatal opening

Question 4

what is the function of a hydrogen ion (H+)

Answer 4

catalyst of reactions

pH determination

Question 5

what is the function of ammonium (nh4+)

Answer 5

production of nitrate ions by bacteria

Question 6

what is the function of nitrate ions (no3-)

Answer 6

formation of amino acids (therefore proteins)

Question 7

what is the function of hydrogen carbonate ions (hco3-)

Answer 7

maintenance of blood pH

Question 8

what is the function of chloride ions (cl-)

Answer 8

balances the positive charge of sodium and potassium

Question 9

what is the function of hydroxide ions (oh-)

Answer 9

catalyst of reactions

pH determination

Question 10

what is an electrolyte

Answer 10

ions in a solution