Phosphorus

Question 1

What % of body weight does phosphorus comprise

Answer 1

1%

Question 2

What 3 areas can phosphorus be found and where is it mainly located

Answer 2

–85% in bone
–1% in blood and body fluids
–14% in soft tissue (muscle)

Question 3

Best food sources of phosphorus

Answer 3

protein-rich foods

Question 4

What are the 2 forms of phosphorus

Answer 4

Organic and inorganic

Question 5

What is the main form of phosphorus is found in grains

Answer 5

Phytic acid

Question 6

What are the 4 things that phosphorus is a component of

Answer 6

–Important component of DNA and RNA
–Component of ATP
–Component of several second messengers
–Component of phospholipids

Question 7

What 3 second messengers is phosphorus a part offend what is their functions

Answer 7

• cAMP:
• cGMP:
• IP3:

Question 8

Function of cAMP

Answer 8

activates protein kinases

Question 9

Function of cGMP

Answer 9

activates protein kinases

Question 10

Function of IP3

Answer 10

triggers intracellular calcium release from cellular organelles

Question 11

What is the 2nd most abundant mineral in the body

Answer 11

Phosphorus