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Proteins
proteins
18
Biology
10th Grade
03/21/2011

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Term
Acids
Definition
Add hydrogen ions (h+) to a solution, so it comes to be more acidic.
Term
Base
Definition
Will decrease hydrogen ions (H+) from a solution so it becomes more basic.
Term
Functional groups
Definition
give molecule certain properties. Amino group and carboxylic group are functional groups.
Term
Ph
Definition
ph is a measure of hydrogen ion concentration
Term
Roles of proteins
Definition

-help carry out chemical reactions.

-structural,

-immunity,

- messenger

-pump small molecules in and out of the cells.

Term
Different proteins have ____
Definition
different types, numbers, and order of amino acids
Term
hydrophobic interaction is __
Definition
non polar amino acids getting close huddling together to protect against water.
Term
Determine the function of protein.
Definition
based on the type, order of amino acides, polypeptide folds into 3D shape that is unique and determine function of a protein.
Term
Exothermic reaction
Definition
Reactants start with energy, activation energy-needed for them to collide hard enough so bonds can be broken. heat is released. Products are formed but have less energy because energy was released.
Term
Endothermic Reaction
Definition
reactants start with energy, activation energy is enough to start the reaction, energy is stored as bonds are reformed so products have more energy, Heat absorbed.
Term
Amino acids are the building blocks of __
Definition
Proteins
Term
There are __ different amino acids
Definition
20
Term
All amino acids are chemically the same except for the __
Definition
R group
Term
the name of the bond between 2 amino acids is called a __
Definition
peptide bond
Term
The process used to bond amino acids together is called __
Definition
dehydration synthesis
Term
is an enzyme changed during the reactions they catalyze?
Definition
NO
Term
enzymes bind to the __ of a reaction. They are known as __.
Definition
Reactants..... Substrates
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