Key Ions In Biological Processes

Question 1

Symbol and role of sodium ion

Answer 1

Na+
Involved in co transport of glucose/amino acids

Question 2

What is symbol and charge of potassium ion

Answer 2

K+
Maintains membrane potential and controls stomata movement in leaves

Question 3

What is symbol of phosphate ion

Answer 3

PO4^3-
Key component in DNA, RNA, ATP and phospholipids
Forms sugar phosphate backbone

Question 4

Symbol and charge of calcium

Answer 4

Ca2+
Muscle contraction and enzyme activation