1. Atom: basic building block for all things
Substance made up of one type of atom = element
2 or more atoms join to form a molecule

2. Molecules of living things are made up of 6 elements:
carbon
hydrogen
nitrogen
oxygen
sulfur
phosphorus

3. proteins
carbon
carbohydrates
hydrogen
nitrogen
combine
lipids
oxygen
nucleic acids
sulfur
phosphorus
ATP

4. are large molecules made up of amino acids.
Protect against foreign materials
Hemoglobin:
Protein in red blood cells that attached to O2 so that O2 can be delivered through the body.
proteins
are large molecules made up of amino acids.
**are the most abundant in cells (beside water)

5. Make many chemical reactions occur more quickly
Organisms break down the protein in food to supply our cells with amino acids
enzymes
proteins
Make many chemical reactions occur more quickly
amino acids

6. carbohydrates a group of compounds made of sugars
Functions: a source of energy and for energy storage
carbohydrates
Simple: made up of one or a few sugars
Complex: made up of hundreds of sugar molecules
a group of compounds made of sugars

7. lipids fats oils I hate water and won’t mix with it! phospholipids
Functions: store energy and form cell membranes
lipids
fats
oils
I hate water and won’t mix with it!
phospholipids

8. Are compounds made of subunits called nucleotides
DNA
Function: store information needed to build proteins and other nucleic acids
nucleic acids
Called the “blueprints of life” because they contain all the information needed for the cell to make proteins.
Are compounds made of subunits called nucleotides

9. adenosine triphosphate
ATP
Cell fuel…
When food molecules, like carbohydrates and fats, are broken down, some of the released energy is transferred to the ATP molecules.
adenosine triphosphate
Function: the major fuel used for all cell activities that require energy.

10. Where in the world does ATP come from?

11. 6CO2 6H20 C6H12 O6 6O2 + + + Photosynthesis Light energy Chlorophyll
Carbon dioxide +
6H20
water +
Chlorophyll
C6H12 O6
sugar +
6O2
oxygen

12. C6H12 O6 6O2 6CO2 6H20 + + + Respiration ATP (energy) sugar oxygen
Carbon dioxide +
6H20
water + +
ATP
(energy)