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What is pontential energy?
Energy that is stored.
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what is an example of a polysacchride?
celluose and a insect excoskelltion.
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why does the disaccharide surcrose (C12H22O11) does not have a 1:2:1 ratio?
dehydration synthesis
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how is energy released form an ATP monecule and how is ADP converted to ATP?
- ATP-o-o-o
- ^ l
- l l
- l V ------->energy
- ADP-o-o
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what is the structure of a nucleotide?
a phosphate, a 5-c sugar, and a nitrogen base.
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what is an ion?
an ion is a particle that is electrically charged.
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what are the four elementa that make up 96% of the human body?
Carbon, oxygen, hydrogen, nitrogen.
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what is the charge for each subatomic particle.
- proton- p+
- nuertron- n0electron- e-
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define the word element.
a matter composed of a limited number of substances.
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what is the monomer for nucleic acids?
nuclotides
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What is the monomer for lipids?
Glycerol
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What is the monomer for protein?
Amino Acids
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what is the monomer for carbohydrates?
Monosaccharide (single sugar)
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what is ADP?
it is a DI-phosphate.
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what is ATP/
ATP is TRI-phosphate. (there used to be ATP is TRI-county)
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what is a buffer?
it is a substance that keeps the pH constient.
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what is a base?
Release OH- and is a Proton acceptor
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what is an acid?
Release H+ and is Proton donor
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what is a colloid?
Solute does not dissolve but looks like it does
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what is a suspension?
when the solute particles do not dissolve.
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what is a solution?
a uniformed mixture.
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what is a solvent?
a solvent does the dissolving.
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what is a solute?
a solute gets dissolved.
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what is the difference between organic and inorganic compounds?
organic compounds contain carbon, and inorganic coupounds do not.
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What is hydrogen bonding?
a bond where hydrogen atoms form a bridge between eachother.
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what is an ionic bond?
one atom loses an electron, and one atom gains an electron.
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What is a covalent bond?
electrons shared between atoms.
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What is the valence shell?
- Outermost energy level
- The # of electrons in valence shell determines reactivity
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What is a compound?
two or more different atoms (e.g. h2o)
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What is a Molecule?
two or more atoms of the same substance (e.g. N2)
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what are isotopes and how are they used?
isotopes have a different number of neutrons, and are used for tracers, radiaton, and carbon dating,
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What is the Atomic Number, and Atomic Mass?
# of protons, # of neutrons.
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What is kenitic energy?
energy of movement. (you move to see your KINitic)
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What is Chemical Change?
You get a brand new substance. (e.g. burning steak)
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What is a Physical Change
You still have the same substance (the phase changes) e.g. cutting up steak.
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