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Bio 172 Exam 1 University of Michigan newest exam with correct answers

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Bio 172 Exam 1 University of Michigan newest exam with correct answers

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BIO 172
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Institution
BIO 172
Course
BIO 172

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Uploaded on
April 14, 2025
Number of pages
32
Written in
2024/2025
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Exam (elaborations)
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Bio 172 Exam 1 University of
Michigan newest exam with
correct answers

Properties of Life - correct answer ✔1) Order |||||| |||||| |||||| |||||| |||||| |||||| ||||||




2) Energy Utilization
|||||| ||||||




3) Regulation or Homeostasis
|||||| |||||| ||||||




4) Response to Environment
|||||| |||||| ||||||




5) Reproduction
||||||




6) Evolution and Adaption
|||||| |||||| ||||||




7) Growth and Development
|||||| |||||| ||||||




Cell - correct answer ✔lowest level in hierarchy of biological organization
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




stores & transmits information
|||||| |||||| ||||||




Theory of Evolution - correct answer ✔All species are related by decent from a
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




common ancestor ||||||




Natural Selection - correct answer ✔Individuals with heritable traits must
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




survive and reproduce better than individuals with other traits
|||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||

,Tree of Life - correct answer ✔A diagram depicting the genealogical
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




relationships of all living organisms on Earth, with a single ancestral species at |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




the base. ||||||




Archea - correct answer ✔Domain of prokaryotic organisms that are
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




biochemically and genetically distinct from bacteria. |||||| |||||| |||||| |||||| ||||||




Eukaryotes - correct answer ✔Cells that contain nuclei |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Prokaryotes - correct answer ✔Cells that do not contain nuclei |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Extremophiles - correct answer ✔A prokaryote that lives in an extreme |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




environment.


Thermophile - correct answer ✔A group of Archae that thrive in very hot places. |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Acidophiles - correct answer ✔Acid Lover Archaea |||||| |||||| |||||| |||||| |||||| ||||||




Halophile - correct answer ✔"salt-loving" archaea that live in environments that
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




have very high salt concentrations
|||||| |||||| |||||| |||||| ||||||




Cell Theory - correct answer ✔1) Cells are structural units of life
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




2) Cells are the functional unit of life
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




3) All cells are fundamentally similar. Specific cell functions vary
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




4) All cells come from pre-existing cells
|||||| |||||| |||||| |||||| |||||| ||||||

,Fact - correct answer ✔Has been repeatedly confirmed
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




Hypothesis - correct answer ✔Testable statement |||||| |||||| |||||| |||||| ||||||




Law - correct answer ✔Descriptive Generalization
|||||| |||||| |||||| |||||| ||||||




Theory - correct answer ✔explanation that is well-substantiated and can
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




incorporate facts, laws, inferences, and tested hypotheses |||||| |||||| |||||| |||||| |||||| ||||||




Scientific Method - correct answer ✔A series of steps followed to solve
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




problems including collecting data, formulating a hypothesis, testing the
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




hypothesis, and stating conclusions. |||||| |||||| ||||||




Protons - correct answer ✔Have a positive charge
|||||| |||||| |||||| |||||| |||||| |||||| ||||||




Atomic number ||||||




Found in nucleus |||||| ||||||




Contributes to atomic mass |||||| |||||| ||||||




Neutrons - correct answer ✔Has a neutral charge |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Found in nucleus |||||| ||||||




Contributes to atomic mass |||||| |||||| ||||||




Electron - correct answer ✔Negative charge |||||| |||||| |||||| |||||| ||||||




Found in clouds/orbitals|||||| ||||||

, Mass number - correct answer ✔the sum of the number of neutrons and
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




protons in an atomic nucleus |||||| |||||| |||||| ||||||




Valence - correct answer ✔The electrons in the outermost shell (main energy
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




level) of an atom; these are the electrons involved in forming bonds.
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Covalent bond - correct answer ✔A chemical bond that involves sharing a pair |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




of electrons between atoms in a molecule
|||||| |||||| |||||| |||||| |||||| ||||||




Nonpolar covalent bond - correct answer ✔A type of covalent bond in which |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




electrons are shared equally between two atoms of similar electronegativity. |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




Polar covalent bond - correct answer ✔A covalent bond between atoms that
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




differ in electronegativity. The shared electrons are pulled closer to the more
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




electronegative atom, making it slightly negative and the other atom slightly |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




positive.


Hydrogen Bond - correct answer ✔A type of weak chemical bond formed when |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




the slightly positive hydrogen atom of a polar covalent bond in one molecule is
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




attracted to the slightly negative atom of a polar covalent bond in another |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




molecule.


Ionic Bond - correct answer ✔A chemical bond resulting from the attraction
|||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| |||||| ||||||




between oppositely charged ions. |||||| |||||| ||||||




Cation - correct answer ✔Positive Ion |||||| |||||| |||||| |||||| ||||||




Anion - correct answer ✔Negative Ion |||||| |||||| |||||| |||||| ||||||

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