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Ch 2
Proteins, Polysaccarides etc.
17
Science
9th Grade
09/18/2012

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Cards

Term
the number of protons
Definition
atomic number
Term
the number of protons and neutrons
Definition
atomic mass
Term
a covalent bond using a hydrogen
Definition
Hydrogen bond
Term
Large polymers are called...
Definition
macromolecules
Term
Monomers link during a chemical process called
Definition
dehydration reaction
Term
The breakdown of complex molecules ( the opposite of dehydration)
Definition
Hydrolosis reaction
Term
Why is water polar
Definition
because it has sticky charges that stick to other compounds
Term
What 3 charactoristics to polar molecules have?
Definition
can absorb a lot of heat before boiling
Cohesion, adhesion allows for capillarity
universal solvent
Term
How many different amino acids are there?
Definition
20
Term
what gives proteins different shapes
Definition
amino acids
Term
a peptide bond is formed by........
Definition
dehydration
Term
Three or more amino acids are called...
Definition
polypeptides
Term
1 or more polypeptides make a________, depending on the type of protein
Definition
protein
Term
What two functions to proteins have?
Definition
They make you look the way you do and function on the inside
Term
what causes errors in DNA
Definition
amino acids which results in wrong protein or nonfunctional protein
Term
Enzymes act as ........
Definition
catalysts
Term
Enzymes ______ activation energy
Definition
decrease
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