LSU Biol 1201 Exam 1 questions with answers

LSU Biol 1201 Exam 1 questions with answers
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Hypothesis - CORRECT ANSWERS ✔✔a small statement that you |\ |\ |\ |\ |\ |\ |\ |\ |\


can test
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Theory - CORRECT ANSWERS ✔✔broader in scope than a
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hypothesis and can lead to a new testable hypothesis; supported
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by a large body of evidence in comparison to a hypothesis
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Deductive - CORRECT ANSWERS ✔✔Testing what you think is
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true; Design, Test, Conclusion
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Inductive - CORRECT ANSWERS ✔✔making observations and
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solution from that observation; All observations have the same
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result.


Valence - CORRECT ANSWERS ✔✔Outer shell of electrons; the
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number of unpaired electrons in the valence shell of an atom is
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generally equal to its valence (the # of covalent bonds it can
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form)


Atomic mass - CORRECT ANSWERS ✔✔the atom's total mass,
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which can be approximated by the mass number
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Mass number - CORRECT ANSWERS ✔✔the sum of protons and
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neutrons in the nucleus |\ |\ |\

, Atomic number - CORRECT ANSWERS ✔✔the number of protons
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in an element
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Isotopes - CORRECT ANSWERS ✔✔two atoms of an element that
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differ in the number of neutrons
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Radioactive isotopes - CORRECT ANSWERS ✔✔decay |\ |\ |\ |\ |\ |\


spontaneously, giving off particles and energy |\ |\ |\ |\ |\




Hydrogen bonds - CORRECT ANSWERS ✔✔forms when a
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hydrogen atom covalently bonded to one electronegative atom is
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also attracted to another electronegative atom
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covalent bonds - CORRECT ANSWERS ✔✔Strongest bonds in
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organisms are _______ ________ that form a cell's molecules.
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Weak chemical bonds - CORRECT ANSWERS ✔✔(ionic and
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hydrogen bonds) confer shape of large molecules and help
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molecules interact |\




Chemical Equilibrium - CORRECT ANSWERS ✔✔reached when the
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forward and reverse reaction rates are equal
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Van der Waals interactions - CORRECT ANSWERS ✔✔attractions
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between molecules that are close together as a result of these
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charges