Download Chem of life

commons.wikimedia.org
The Chemistry of
Life
Vocabulary
Element - A substance that cannot be broken down into
simpler substances Ex. Carbon, Nitrogen, Oxygen, etc.
Atom - The smallest unit of a element
Compound - Two or more different elements chemically
combined Ex. H2O, CH4, C6H12O6, NaCl, CH3COOH
Mixture - Combination of different compounds and/or
elements not chemically combined
Molecule - The smallest unit of most compounds
Organic - A compound that contains carbon
Inorganic - A compound that does not contain carbon
Stanley Miller
Tried to “create
life”
Know ingredients
of life but not
recipe
Created organic
molecules from
seawater
biobook.nerinxhs.org
All life = A
Series of
Complex
Chemical
Reactions
en.wikipedia.org
Chemical Reactions
Rearranging of atoms into new
substance
Reactant - the raw material of a
reaction
Product - the end result of a
reaction
Chemical Reaction
Reactants
Means yields
6H2O + 6CO2
Products
C6H12O6 + 6O2
Subscript - how many atoms
Molecule
of that element in molecule
Coefficient - how many molecules
Polymers
A type of molecule
long chains of repeating similar subunits
Subunits called monomers
Polu - many + Meros - a share/ Mono one
Ex. Slime, silly putty, nylon, kevlar, plastic
Polymer
Monomer
Polymer
Life has 4 basic
groups of chemicals
Proteins
Carbohydrates
Lipids
Nucleic Acids
en.wikipedia.org
Proteins
Monomer - Amino acids
Carbon (C), nitrogen (N), hydrogen (H),
oxygen (O) and sometimes (S)
Parts of the cell membrane
Parts of organelles
Muscles have lots of protein
Amino Acids
Building blocks of
proteins
20 amino acids
make all proteins
Analogous to
words in a
sentence
jessieloves2run.com
Enzymes
Specialized protein
“speed up” reactions
Necessary for life
Very useful in
biological studies
www.majordifferences.com
Fold it
http://www.technologybloggers.org/
science/online-gamers-as-scientists/
Carbohydrates
C, H, O,
Sugars
Energy molecule
Cell walls and
membranes
Starches - complex
carbohydrate
carbohydratesanddiet.blogspot.com
Lipids
Energy rich
molecule more
than carbohydrates
C, H, O
Cells store energy
as lipids
Ex. Fats, Oils, Waxes
cnx.org
Nucleic Acids
Contain instructions
to carry out all
functions of life
C, O, H, N and
phosphorous (P)
Monomer - Nucleotide
Two Kinds DNA and
RNA
background-pictures.picphotos.net
Deoxyribonucleic
Acid
The molecule of inheritance
Passed from parent to offspring
Found in the nucleus
Four Nucleotides - Adenine,
Guanine, Cytosine, Thiamin
Ribonucleic Acid
Plays important role in production
of proteins
Found in nucleus and cytoplasm
Four nucleotides - Adenine,
Cytosine, Guanine, Uracil
biology.tutorvista.com
theconversation.com