Nutrients

Question 1

What are organic molecules?

Answer 1

Contains high proportion of carbon atoms

Organic molecules are characterized by the presence of a high proportion of carbon atoms.

Question 2

What are inorganic molecules?

Answer 2

Contains no more than 1 carbon atom and is never bonded to hydrogen

Inorganic molecules do not contain more than one carbon atom and are never bonded to hydrogen.

Question 3

What are macromolecules?

Answer 3

Large molecules such as carbohydrates, lipids, and proteins

Macromolecules are large molecules that include carbohydrates, lipids, and proteins.

Question 4

What are inorganic ions?

Answer 4

(Electrolytes/minerals)

Inorganic ions, such as electrolytes and minerals, are essential for functions like muscle contraction, nervous coordination, and osmotic pressure/balance.

Question 5

What are macronutrients?

Answer 5

Nutrients needed in small concentrations

Macronutrients are essential nutrients required in relatively large amounts by the body.

Question 6

What are micronutrients?

Answer 6

Nutrients needed in trace amounts

Micronutrients are essential nutrients needed by the body in very small quantities.

Question 7

What is the role of zinc in the body?

Answer 7

Micronutrient

Needed for immune system, role in cell division, cell growth, wound healing, breakdown of carbohydrates

Question 8

What is the role of copper in the body?

Answer 8

Micronutrient

With iron enables body to form RBCs, maintains healthy bones, blood vessels etc

Question 9

What is the function of magnesium?

Answer 9

Macronutrient

Bone growth
Found in chlorophyll

Question 10

What is the role of iron in the body?

Answer 10

Macronutrient

Formation of haemoglobin

Question 11

What is the role of phosphate ions in the body?

Answer 11

Macronutrient

Needed for nucleotides, ATP, bones, phospholipids
When attached to another molecule = phosphate group

pi = free phosphate