Life's Characteristics/Origin
qualities of life - originated in early waters containing cyanide, methane, hydrocarbons, etc
- movement - not necessary for life, nor possessed only
Biology
Forum reference:
Book page:
http://course-notes.org/Biology
04 - Origin/Early History of Life
See included biology topics below:
Carbohydrates
carbohydrates - molecules w/ carbon, hydrogen, oxygen in ratio 1:2:1
- empirical formula - (CH2O)n
- releases energy from
Nucleic Acids and Lipids
nucleic acids - information storage devices of cells; 2 varieties
- can serve as templates to create exact copies of themselves
- deoxyr
Proteins
proteins - have 7 main functions
- enzyme catalysis - faciliates/speeds up certain chemical reactions; ex.
Carbon and Functional Groups
carbon - component of all biological molecules
- molecules w/ carbon can form straight chains, branches, rings
- hydrocarbons -
03 - Chemical Building Blocks of Life
See included biology topics below:
Water
chemistry of water - no organism can survive/reproduce w/o water
- carries no net charge or unpaired electrons
- can form weak chemical associati
Atoms and Chemical Bonds
atom - makes up all matter and all substances in the universe
- can be seen indirectly w/ tech such as tunnel microscopy
- electrons - (-) charge
02 - Nature of Molecules
See included biology topics below:
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