regulate internal environment
homeostasis
a negative ion
anion
+1 charge
proton
what is the shape of a surfactant?
nonpolar tail & polar head
2 things you need for a prediction
can be measurable & has direction
contain genetic information
DNA
sharing of electrons
covalent
-1 charge
electrons
what is a surfactant?
Interacts with hydrophilic heads to break up nonpolar molecules; disrupts H bonding, breaks surface tension (ex. soap, makeup remover)
living and nonliving things
ecosystem
common chemical compounds
transfer of electrons
ionic
atomic number
# of protons
how many bonds can carbon make?
4
what can hydrogen bond with?
FON
use a universal molecular code to build proteins from genomic information
Central Dogma
CC, CH, CN
atomic mass
# of protons and neutrons
attraction between the same molecule
cohesion
cyanobacteria in fossils
stromatolites
photosynthesis
HO, CO, NH, PO
isotopes
same # of protons, different # of neutrons
what are Redox reactions?
reduction-oxidation reactions
leo says ger
loss of electrons = oxidation
gain of electrons = reduction
to falsify the null hypothesis