Topic 1: What is biochemistry

Question 1

Functions of amino acids

Answer 1

Break down food.
Grow and repair body tissue.
Make hormones and brain chemicals (neurotransmitters).
Provide an energy source.
Maintain healthy skin, hair and nails.
Build muscle.

Question 2

Functions of carbs

Answer 2

Store fuel/energy in the form of starch (photosynthesis in plants) or glycogen (in animals and humans).
Provide energy through metabolic pathways and cycles.
Supply carbon for synthesis of other compounds.
Form structural components in cells and tissues.
Intercellular communications

Question 3

Functions of fatty acids

Answer 3

Storage of fuel/energy in the form of fat
Membrane structures
Insulation (thermal blanket)
Synthesis of hormones

Question 4

Use of metabolism

Answer 4

Acquisition & utilization of energy
Synthesis of molecules needed for cellular structures and
functions (i.e. proteins, nucleic acids, lipids, & CHO)
Removal of waste products