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chapter 3 review
biochem
16
Biology
10th Grade
11/23/2009

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Cards

Term
what is water?
Definition
water is a polar molecule in which the eletrons are unevenly shared between the hydrogen and oxygen atoms
Term
what happens because of waters polar nature?
Definition
it can dissolve other substances to from solutions
Term
what is hydrogen bondind responsable for?
Definition
cohesion and capillarity that water molecules display
Term
what can water absorb?
Definition
large amounts of thermal energy before its own temperature begins to rise
Term

what dose an organic compound contain?

 

Definition
carbon that is covalently bonded with both to other carbon atoms and often to atoms of other elements including oxygen, hydrogen and nitrogen
Term
what dose a carbon atom contain
Definition
4 covalent bonds with other aroms. carbon atoms can bond with one another to form straight chains, branched chains, or rings
Term

what is a simple molecule

 

Definition
also known as monomers, they bond to one another to form a complex molecules called polymers. monomers are joined to form polymers in a condensation reaction. polymers are broken down into monomers during hydrolysis
Term
what is alcohol?
Definition
it is an organic compiund that contains a hydroxyal group,OH-, attached toone of its carbon atoms
Term
what dose adenosine triphosphate (ATP) make?
Definition
energy available to a cell
Term
what is a carbohydrate
Definition
it is an organic compound composed of a carbon, hydrogen, and oxygen atoms in a ratio of about 2H to 1O. a monomer of a carbohydrate is called a monosaccharide
Term

what is a double sugar called?

 

Definition
it is called a disaccaride.
Term
what is a complex sugar caled?
Definition
polysaccaride
Term
what is a protein?
Definition
organic molecule that is formed from amino acids.
Term
what is an amino acid?
Definition
consists of a central carbon atom to which four functional groups are attached
Term
what is an amino acid again?
Definition
they are joined by peptied bonds. a long thain of amino acids is called a polypeptide
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