Science: levels of organization

Chemical level is

• simplest

• most difficult

carbon dioxide (CO2) is made up of

• one carbon atom and one oxygen atom

• one carbon atom, and two oxygen atoms

• two carbon atoms and two oxygen atoms

• one carbon atom, two hydrogen          atoms and two oxygen atoms

What are the key types of Macromulecules in the human body:

• carbohydrates, proteins and nucleic acids

• lipids, proteins and nucleic acids

• carbohydrates, lipids, proteins and nucleic acids

• carbohydrates, lipids and proteins

Cells are the smallest

units of life

​ (a)   are responsible for regulating their own environment​

• Cells

• cellular

• Carbohydrates

• Cellular

Macromolecules are

• larger

• complex

• complexity and larger

• larger and complex

The four macromolecules, interact to complete complex tasks for the cell, like

• generating energy

• producing brain contractions

• providing food

• cleaning our body

Sugars are...

• lipids

• proteins

• nucleic acids

• carbohydrates

water (H2O) is made up of

• two hydrogen          atoms

• one  oxygen atom

• two hydrogen atoms  and one  oxygen atom