inorganic ions

Question 1

what is an ion?

Answer 1

atom or group of atoms with an electric charge

Question 2

what is an atom with a positive charge called?
what is an atom with a negative charge called?

Answer 2

positive charge-cation

negative charge-anion

Question 3

what is an inorganic ion?

Answer 3

ion that doesn’t contain carbon

Question 4

is calcium a cation or anion? +symbol?
what is its roles in biological processes?

Answer 4

Ca2+
inorganic ion, cation(+)

-nerve impulse transmission
-release of insulin from pancreas
-cofactor for enzymes eg in blood clotting
-muscle contraction
-bone formation

Question 5

is nitrate a cation or anion? + symbol?
what is its roles in biological processes?

Answer 5

NO3-
inorganic ion, anion(-)

-absorbed from soil by plants, source of nitrogen: to make amino acids (proteins), nucleic acids

Question 6

is hydrogencarbonate a cation or anion?+symbol?
what is its roles in biological processes?

Answer 6

HCO3-
inorganic ion, anion (-)

-buffer, helps maintain pH of blood

Question 7

is sodium a cation or anion? +symbol?
what is it’s times in biological processes?

Answer 7

Na+
inorganic ion, cation (+)

-generating nerve impulse transmission
-muscle contraction
-regulates fluid balance in the body
-kidney function

Question 8

is chloride a cation or anion?+symbol?
what is it’s riles in biological processes?

Answer 8

Cl-
inorganic ion, anion(-)

-chloride shift which helps maintain pH of the blood during gas exchange
-cofactor for amylases
-balance positive charge of sodium and potassium ions in cells

Question 9

is potassium a cation or anion?+symbol?
what is its roles in biological processes?

Answer 9

K+
inorganic ion, cation(+)

-nerve impulse transmission
-muscle concentration
-regulating fluid balance in the body
-stomatal opening

Question 10

is potassium a cation or anion?+symbol?
what is its roles in biological processes?

Answer 10

K+
inorganic ion, cation(+)

-nerve impulse transmission
-muscle concentration
-regulating fluid balance in the body
-stomatal opening

Question 11

is phosphate a cation or anion?+symbol?

Answer 11

PO43-
inorganic ion, anion (-)

-photosynthesis and respiration reactions
-cell membrane formation
-nucleic acid and ATP formation
-bone formation

Question 12

is hydroxide a cation or anion?+symbol?
what is its roles in biological processes?

Answer 12

OH-
inorganic ion, anion (-)

-catalysis of reactions
-pH determination: more OH- ions than H+ ions creates alkaline

Question 13

is hydrogen a cation or anion?+symbol?
what is its roles in biological processes?

Answer 13

H+
inorganic ion, cation (+)

-pH determination: more H+ than OH- ions creates acid
-in photosynthesis reactions in thylakoid membranes if chloroplasts

Question 14

is ammonium a cation or anion?+symbol?
what is its roles in biological processes?

Answer 14

NH4+
inorganic ion, cation (+)

-absorbed from soul by plants as a source of nitrogen to make amino acids(proteins), nucleic acids
-production of nitrate ions by bacteria