inorganic ions

Question 1

what are the 4 inorganic ions present in organisms?

Answer 1

MAGNESIUM mg2+
CALCIUM ca2+
PHOSPHATE PO4^3-
IRON fe2+

Question 2

why is mg2+ needed in animals and plants?

Answer 2

animals- MINERALISATION of BONES, lack
causes FRAGILE bones
plants- component of CHLOROPHYLL, lack
leads to CHLOROSIS (yellow leaves)

Question 3

why is ca2+ needed in animals and plants?

Answer 3

animals- STRUCTURAL component of
BONES and TEETH
plants- STRUCTURAL component of CELL
WALLS, lack causes NECROTIC areas
(curling)

Question 4

why is PO4^3- needed in animals and plants?

Answer 4

animals- found in PHOSPHOLIPDS which
are needed to form BILAYER
plants- “ “

Question 5

why is fe2+ needed in animals and plants?

Answer 5

animals- form HAEMOGLOBIN and is required for
TRANSPORTING oxygen in the blood
plants- required for the formation of CHLOROPHYLL

Question 6

what nutrients are needed for LARGE concentrations?

Answer 6

MACRONUTRIENTS

Question 7

what nutrients are needed for SMALL concentrations?

Answer 7

MICRONUTRIENTS