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CHS General Biology Unit 2 Review-Fleming/Smejkal/Coop
Review for the Unit 2 Exam
Terms in this set (30)
True or False All enzymes work inside all cells.
the pH scale measures the __________ concentration of a solution.
the outermost electrons are called
water is the universal ___________
basic unit of matter
the nucleus is made up of
protons & neutrons
atoms of the same element with the same number of protons & different number of neutrons
the three particles that make up an atom are
proton, neutrons, & electrons
If an element has 25 protons & 27 neutrons, what is the atomic number of this element?
a bond formed as a result of sharing electrons
bond formed when electrons are transferred from one element to another
what type of ion forms when an atom gains electrons
in salt water, salt is considered the ___________.
an evenly distributed mixture of two or more substances is called a
the type of electrons available to form bonds are called
a substance with a pH of 12 is called a(n)
a monosaccharide is in which organic compound group
group of organic compounds is the main source of energy for living things
the organic compound whose function is to store & transmit heredity are
the components of a chemical reaction that the arrow points to are called
a substance with a pH of 4 is called a(n)
proteins are composed of
carbohydrates are composed of
in chemical reactions atoms are
The subunits that make up RNA are
the components of a chemical reaction that go into the arrow are called
the energy needed to get a reaction started is
The space surrounding the nucleus of an atom contains
a substance that lowers the activation energy of a chemical reaction is
True or False Enzymes work best a specific pH, enzymes are proteins, and enzymes are catalysts.
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