Basic Terminology
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1
eukaryotic cell 
subdivided by internal membranes into carious membrane-enclosed organelles. The largest organelle is the nucleus, which contains the cell's DNA. The other organelles are located in the cytoplasm.
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prokaryotic cell 
DNA is not separated from the rest of the cell by enclosure in a membrane-counded nucleaus. Also lack other kinds of membran-enclosed organells that characterize eukaryotic cells.
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gene expression
sequenence of nucleaotides along a gene is transcribed into RUT, which is then translated into a specific protein with a unique shape/function.
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genome
The entire "library" of genetic instructions that an organism inherits is called the genome.
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genomics
the study of whole sets of genes and their interactions within a species, as well as genome comparisons between species.
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bioinformatics
the use of computers, software, and mathematical models to process and integrate biological infrom from large data sets.
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positive feedback
a form of regulation in which an end product of a process speeds up that process.
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negative feedback
a form of regulation in which accumulation of an end product of a a process slows the process.
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bacteria
one of the two prokaryotic domains, the other being archae
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achaea
one of the the two prokaryotic domains, the other being bacteria
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eukarya
the domain that includes all eukayotic organisms.
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primary structure 
determines what protein will form
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secondary structure
interactions bewteen amino and carboxyl groups
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tertiary structure
interactions between R groups
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Quaternary structure 
interactions between certain polypeptides
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polar covalent bonds 
______ result in when electrons are unequally shared between atoms
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non polar covalent bonds 
______ result when electrons are more equally shared between atoms
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When two of the SAME molecules form hydrogen bonds with each other this is called _____
cohesion
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When two DIFFERENT molecules form hydrogen bonds with each other it is called _______
adhesion
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____ is the result of increased hydrogen bonding forces between water moleules at the surface.
surface tension
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____ is used to build all macromolecules, store energy and form cells
Carbon
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____ is used to build proteins and nucleaic acids
Nitrogen
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______ is used to build nucleaic acids and and certain lipids.
Phosphorus
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____ are chemical subunits used to create polymers 
monomers
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____ is a molecule made up of many monomers
polymers
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______ ____ reactions are used to create macromolecules.
The sub-components of a water molecule (H and OH) are removed from interacting monomers and a covalent bond forms between them.
The H and OH join together to form a molecule of water; water is a byproduct of this reaction.
The sub-components of a water molecule (H and OH) are removed from interacting monomers and a covalent bond forms between them.
The H and OH join together to form a molecule of water; water is a byproduct of this reaction.
Dehydration synthesis
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______ are nonpolar macromolecules that do not have true monomers but are comprised of subunits such as fatty acids and glycerol.
Lipids
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