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Jeopardy

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attraction
chem
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opposite charges
Ionic bonds form between particles that have

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element
A substance that is composed of only one type of
atom is called a(n).

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Electrons are shared-ex two hydrogen atoms share
electrons with one oxygen atom
Covalent bonds form when

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carbon
The building blocks of most biomolecules
contain the element

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different parts of the molecule have slightly
different charges.
Water is a polar molecule because .

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No partial charge-no negative or positive ends
Nonpolar molecules have

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activation energy of these reactions.
The difference for Reaction 2 and Reaction 3
occurs because of a difference in the.

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carbohydrates.
Polysaccharides are

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Ice floats, high specific heat, high evaporation-
it does not cool rapidly!
What are unique properties of water?.

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Water
Hydronium ions, H, react with hydroxide ions,
OH-, to form

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Lipids
Which molecules are most closely related to
long chains of carbon and hydrogen

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Tertiary structure
The overall shape of a single chain of amino
acids in a protein, including folds, is that
proteins .

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Cohesion
The attraction that causes water and other
liquids to form drops and thin films is

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hydrogen bonds.
Attractions between water molecules are
called .

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DNA and RNA
The two types of nucleic acids are .

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acidic
Substances with a pH less than 7 are .

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peptide bond.
The amino group of one amino acid is linked to
the carboxyl group of another amino acid in a
protein. This link is a(n).

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Add enzymes
How can you reduce activation energy .

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proteins
Long chains of amino acids are found in.

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Reaction 3
Which probably occurred in the presence of an
enzyme..

• 5,4