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Bio Chapter 1-7 test 1 Dr. Dawson

Terms in this set (15)

Prokaryotic Cells
plants and fungi
Ionic bond of sodium chloride is formed when
chlorine gains an electron from sodium
Water's high specific heat is a consequence of the
absorption and release of heat when hydrogen bonds break and form
How does an enzyme catalyze a reaction?
by lowering the energy of activation of a reaction
Desert rabbits are adapted to the warm climate because their large ears aid in the removal of heat by
the high heat of vaporization of water
chemical reactions of metabolism within cells are regulated by organic catalysts. What are these catalysts called?
enzymes
The reactive properties or chemical behavior of an atom depend on the number of
electrons in the outer valence shell in the atom
What do atoms form when they share electron pairs
molecules
The formation of ice during colder weather helps temper the seasonal transition to winter. This is mainly because
the formation of hydrogen bonds releases heat
Why is it important that an experiment has a control group
Without a control group, there is no basis for knowing if a particular result is due to the variable being tested or to some other factor
A change in a protein's three dimensional shape or conformation due to disruption of hydrogen bonds, disulfide bridges, and ionic bonds is termed
Denaturation
Enzymes DO NOT
provide activation energy for the reaction they catalyze
Increasing the substrate concentration in an enzymatic reaction could overcome
competitive inhibition
Saturated fatty acids
higher ratio of hydrogen to carbon than do unsaturated fatty acids
How can you increase the rate of a chemical reaction
add a catalyst
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