Bio 1150 Final Exam questions with answers
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Atom - CORRECT ANSWERS ✔✔smallest unit of matter that cannot be
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subdivided into smaller substances without losing it's properties
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protons - CORRECT ANSWERS ✔✔A subatomic particle that has a positive
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charge and that is found in the nucleus of an atom
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neutrons - CORRECT ANSWERS ✔✔a subatomic particle of about the same
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mass as a proton but without an electric charge, present in all atomic nuclei
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except those of ordinary hydrogen.
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electrons - CORRECT ANSWERS ✔✔subatomic particle with negative charge
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orbits nucleus|\
element - CORRECT ANSWERS ✔✔substance made of only one kind of atom
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atomic number - CORRECT ANSWERS ✔✔number of protons an atom has and
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the number of electrons in a neutral atom
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Molecules - CORRECT ANSWERS ✔✔distinct substance that results from the
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combination of two or more atoms |\ |\ |\ |\ |\
ionic bonds - CORRECT ANSWERS ✔✔chemical bond formed when one atom
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donates one or more electrons to another atom
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,anion - CORRECT ANSWERS ✔✔A negatively charged ion
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cation - CORRECT ANSWERS ✔✔A positively charged ion
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covalent bonds - CORRECT ANSWERS ✔✔sharing of a pair of valence electrons
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by two atoms
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polarity - CORRECT ANSWERS ✔✔A lack of electrical symmetry in a molecule.
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Charge differences on opposite ends of a structure.
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hydrogen bonds - CORRECT ANSWERS ✔✔noncovalent attraction between H
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and an electronegative atom
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pH scale - CORRECT ANSWERS ✔✔scale with values from 0 to 14, used to
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measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH
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of 7 is neutral, and a pH of 7 to 14 is basic
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solutions - CORRECT ANSWERS ✔✔A liquid that is a homogeneous mixture of
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two or more substances.
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solute - CORRECT ANSWERS ✔✔A substance that is dissolved in a solution.
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solvent - CORRECT ANSWERS ✔✔the substance in which the solute dissolves
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, dehydration synthesis - CORRECT ANSWERS ✔✔A chemical reaction in which
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two molecules covalently bond to each other with the removal of a water
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molecule.
hydration - CORRECT ANSWERS ✔✔solution process with water as the solvent
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monomer - CORRECT ANSWERS ✔✔A simple compound whose molecules can
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join together to form polymers
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polymer - CORRECT ANSWERS ✔✔A long molecule consisting of many similar
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or identical monomers linked together.
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phospholipid - CORRECT ANSWERS ✔✔glycerol + 2 fatty acids + 1 phosphate
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group; makes up membrane bilayers of cells; hydrophobic interiors and
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hydrophillic exteriors double bonds |\ |\ |\
antiparallel - CORRECT ANSWERS ✔✔polynucleotide strands running opposite
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directions one runs from 5 prime to 3 prime and the other runs from 3 prime to 5
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prime
complementary base pairing - CORRECT ANSWERS ✔✔Hydrogen bonding |\ |\ |\ |\ |\ |\ |\ |\
between particular pyrimidines and purines. Adenine & Thymine. Cytosine &
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Guanine.
endergonic reaction - CORRECT ANSWERS ✔✔A nonspontaneous chemical
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reaction, in which free energy is absorbed from the surroundings.
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Atom - CORRECT ANSWERS ✔✔smallest unit of matter that cannot be
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
subdivided into smaller substances without losing it's properties
|\ |\ |\ |\ |\ |\ |\
protons - CORRECT ANSWERS ✔✔A subatomic particle that has a positive
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
charge and that is found in the nucleus of an atom
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
neutrons - CORRECT ANSWERS ✔✔a subatomic particle of about the same
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
mass as a proton but without an electric charge, present in all atomic nuclei
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
except those of ordinary hydrogen.
|\ |\ |\ |\
electrons - CORRECT ANSWERS ✔✔subatomic particle with negative charge
|\ |\ |\ |\ |\ |\ |\ |\ |\
orbits nucleus|\
element - CORRECT ANSWERS ✔✔substance made of only one kind of atom
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
atomic number - CORRECT ANSWERS ✔✔number of protons an atom has and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
the number of electrons in a neutral atom
|\ |\ |\ |\ |\ |\ |\
Molecules - CORRECT ANSWERS ✔✔distinct substance that results from the
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
combination of two or more atoms |\ |\ |\ |\ |\
ionic bonds - CORRECT ANSWERS ✔✔chemical bond formed when one atom
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
donates one or more electrons to another atom
|\ |\ |\ |\ |\ |\ |\
,anion - CORRECT ANSWERS ✔✔A negatively charged ion
|\ |\ |\ |\ |\ |\ |\
cation - CORRECT ANSWERS ✔✔A positively charged ion
|\ |\ |\ |\ |\ |\ |\
covalent bonds - CORRECT ANSWERS ✔✔sharing of a pair of valence electrons
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
by two atoms
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polarity - CORRECT ANSWERS ✔✔A lack of electrical symmetry in a molecule.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Charge differences on opposite ends of a structure.
|\ |\ |\ |\ |\ |\ |\
hydrogen bonds - CORRECT ANSWERS ✔✔noncovalent attraction between H
|\ |\ |\ |\ |\ |\ |\ |\ |\
and an electronegative atom
|\ |\ |\
pH scale - CORRECT ANSWERS ✔✔scale with values from 0 to 14, used to
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
of 7 is neutral, and a pH of 7 to 14 is basic
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
solutions - CORRECT ANSWERS ✔✔A liquid that is a homogeneous mixture of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
two or more substances.
|\ |\ |\
solute - CORRECT ANSWERS ✔✔A substance that is dissolved in a solution.
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
solvent - CORRECT ANSWERS ✔✔the substance in which the solute dissolves
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
, dehydration synthesis - CORRECT ANSWERS ✔✔A chemical reaction in which
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
two molecules covalently bond to each other with the removal of a water
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
molecule.
hydration - CORRECT ANSWERS ✔✔solution process with water as the solvent
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
monomer - CORRECT ANSWERS ✔✔A simple compound whose molecules can
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
join together to form polymers
|\ |\ |\ |\
polymer - CORRECT ANSWERS ✔✔A long molecule consisting of many similar
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
or identical monomers linked together.
|\ |\ |\ |\
phospholipid - CORRECT ANSWERS ✔✔glycerol + 2 fatty acids + 1 phosphate
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
group; makes up membrane bilayers of cells; hydrophobic interiors and
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
hydrophillic exteriors double bonds |\ |\ |\
antiparallel - CORRECT ANSWERS ✔✔polynucleotide strands running opposite
|\ |\ |\ |\ |\ |\ |\ |\
directions one runs from 5 prime to 3 prime and the other runs from 3 prime to 5
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\
prime
complementary base pairing - CORRECT ANSWERS ✔✔Hydrogen bonding |\ |\ |\ |\ |\ |\ |\ |\
between particular pyrimidines and purines. Adenine & Thymine. Cytosine &
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
Guanine.
endergonic reaction - CORRECT ANSWERS ✔✔A nonspontaneous chemical
|\ |\ |\ |\ |\ |\ |\ |\
reaction, in which free energy is absorbed from the surroundings.
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