Term
The 6 functions of the protein |
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Definition
Structural, regulatory, contractile, immunological, transport, and catalytic |
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Term
Form structural framework |
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Definition
Structural protein function |
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Term
alters cell function (hormones, neurotransmitters, receptors) |
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Definition
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Allows shortening of muscle cells |
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Definition
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aid responses that protect body again foreign substances and invading pathogens |
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Definition
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carry vital substances throughout body |
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Definition
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enzymes that regulate biochemical reactions |
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Definition
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Term
______ interact with other molecules (ligands) to carry out its function |
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Definition
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Term
_____ must fit precisely into binding site |
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Definition
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Term
many bonds between the ligand and the side chains of the proteins in binding site need to be formed to ______ |
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Definition
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Term
individual bonds are ____ |
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Definition
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Term
gives a protein its unique function |
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Definition
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determines types and location of binding sites |
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Definition
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Term
Types of bonds holding ligand |
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Definition
Non-covalent bonds (H bonds, ionic bonds, van der waals attraction, hydrophobic interactions) |
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Term
If change conformational shape of protein then.... |
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Definition
the characteristics of binding site may change |
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Term
If the characteristics of the binding site change then the.... |
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Definition
ligand will not fit in site or not enough bonds will be made to hold ligand in place. |
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Term
denaturation causes change of conformational shape due to ______ |
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Definition
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Term
Altered environment could be cause of the following: |
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Definition
Temperature, pH, or electrolyte concentration change |
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Term
denaturation disrupts the _____ bonds maintaining secondary, tertiary, and quaternary structure |
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Definition
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Term
all proteins have a _____ lifetime within the cell |
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Definition
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Term
Proteins are degraded because of: (list) |
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Definition
Normal turnover or renewal, mechanism of cellular control, cellular adaptation, damaged, misfolded |
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Term
Mechanism of cellular control: give the i.e. |
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Definition
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Term
Cellular adaptions: give the i.e. |
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Definition
muscle atrophy when stop exercising |
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Term
short lived vs. long lived proteins is an example of: |
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Definition
normal turnover or renewel |
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Term
in the ubiquitin-proteasome system the protein is tagged with ____ |
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Definition
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Term
recognize specific degradation signals on proteins, then adds a chain of ubiquitin |
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Definition
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Term
recognizes tag and degrades the protein |
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Definition
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Term
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Definition
20s cylinder and 19s caps (2) |
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Term
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Definition
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recognizes ubiquittin on the protein as tag for destruction and unfolds protein and feeds it into the chamber |
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Definition
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Definition
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Definition
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Term
catalysts _____ the activation energy |
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Definition
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Term
lowers the activation energy means: |
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Definition
the amount of energy required for a reaction to take place |
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Term
to convert the substrate into a ____ state is based on the amount of energy required for a reaction to take place. |
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Definition
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Term
catalyst convert substrate into product by: |
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Definition
making or breaking covalent bonds |
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Term
catalysts ______ up the rate of a reaction that would normally be too slow |
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Definition
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Term
Catalyst increases rate by ______ |
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Definition
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Term
enzymes have at least ____ binding sites |
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Definition
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Term
is where the substrate bind |
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Definition
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Term
where other molecules can bind to allosterically regulate the activity of the catalytic site |
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Definition
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Term
The two binding sites for enzymes |
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Definition
Catalytic site and Regulatory site |
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Term
hydrolytic cleavage reaction |
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Definition
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Term
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Definition
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Definition
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Term
synthesize molecules in anabolic reaction |
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Definition
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Term
rearrange bonds within a single molecule |
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Definition
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Definition
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Term
add phosphate groups to molecules |
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Definition
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remove phosphate groups from molecules |
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Definition
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Term
catalyze reactions in which one molecule is oxidized and the other reduced |
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Definition
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Definition
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catalyzes condensation reactions in which two atoms are joined using ATP or GTP |
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Definition
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Term
remove pairs of hydrogen atoms |
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Definition
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Term
small molecule that functions as a transient carrier of a functional group |
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Definition
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Term
Pyruvate + NADH+ H(+) ---> Lactate + NAD(+) is an example of... |
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Definition
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Term
inorganic ion or molecule that is required for enzyme activity |
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Definition
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Term
cytochrome oxidase required Fe(+2), Cu(+2) is an example of .... |
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Definition
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Term
glutathione peroxidase requires Se is an example of |
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Definition
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Term
One the proteasome is degraded, liberated amino acids can be used for: |
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Definition
gluconeogenesis or protein synthesis |
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Term
when a catalyst lowers the activation energy it: |
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Definition
brings substrates in close proximity, and holds substrate in a conformation that makes it easier to convert to product |
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