Basis of Biological Essentiality of Chemical Elements

Question 1

Essential for respiration and energy production.

Answer 1

Oxygen (O) –

Question 2

– Backbone of organic molecules.

Answer 2

Carbon (C)

Question 3

Component of water and organic compounds.

Answer 3

Hydrogen (H) –

Question 4

– Key element in amino acids and proteins.

Answer 4

Nitrogen (N)

Question 5

– Vital for ATP production and DNA structure.

Answer 5

Phosphorus (P)

Question 6

Important for bone strength and muscle function.

Answer 6

Calcium (Ca) –