BIOL 1510 Chapter 1
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21 Terms
Prokaryotes vs eukaryotes
- Prokaryotes have no nucleus or membrane bound organelles
- Eukaryotes have a nucleus and membrane bound organelles
Law of conservation of mass
Matter is not created nor destroyed in any chemical or physical change
Three domains of life
Bacteria, Archaea, Eukarya
Acetyl group
COCH3
Amido group
-CONH2
Guanidinium group
found in arginine
Imidazole group
Histidine
Sulfhydryl group
-SH
Disulfide group
R-S-S-R
Phosphoryl group
PO3^2-
Phosphoanhydride
-P(O)OH-O-P(O)OH-
Geometric isomers
Compounds that have the same molecular formula but differ in the spatial arrangements of their atoms.
Enantiomers
non-superimposable mirror images
Diastereomers
stereoisomers that are not mirror images
What isomers of amino acids are found in cells?
L-amino acids
Gibbs free energy equation
ΔG = ΔH - TΔS
What kind of system are living beings?
Open system
How can unfavorable reactions occur?
Linked together with favorable ones
How does species diversion occur?
gene mutation
How many millimolar are in 1 molar
1M=1000 mM
How many millimolar in 1 micromolar
1 mM=1000 uM
therefore, 1M=1,000,000 uM