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BIO 201 UNIT 1 EXAM QUESTIONS WITH COMPLETE ANSWERS

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BIO 201 UNIT 1 EXAM QUESTIONS WITH COMPLETE ANSWERS

Institution
BIO 201
Course
BIO 201

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Molecular bond damage, extensive chemical damage; high energy


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Ionizing radiation




Polymers of amino acid monomers held together by peptide bonds


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Proteins




Has higher osmolarity than inside the cell, so water flows out of cell, resulting in cell
shrinking (crenation)

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Hypertonic solution




Farther from the origin of a body part or the point of attachment of a limb to the body
trunk


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Distal




Works against the direction of change (homeostasis)


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Negative feedback




Oxygen, carbon, hydrogen, nitrogen


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Major elements in the body (96%)




Photon


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, Gamma




Chainlike molecules made of many smaller, identical or similar units called monomers


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Polymers




Attractive force between electropositive hydrogen of one molecule & an
electronegative atom of another molecule; act as intramolecular bonds, holding a
large molecule in a three-dimensional shape


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Hydrogen bonding




Pressure of water inside cell pushing on membrane


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Hydrostatic pressure




Contains pericardial cavity


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, Mediastinum




Formed when linker proteins of neighboring cells interlock; linker protein is anchored
to its cell through thickened areas on inside of plasma membrane called plaques;
allow "give" between cells; does not restrict flow of fluids between cells


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Desmosomes




Closer to the origin of the body part or the point of attachment of a limb to the body
trunk


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Proximal




Made up of monomers called nucleotides, which are composed of a nitrogen-
containing base, a pentose sugar, and a phosphate group


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Nucleic acids




Transmembrane proteins form tunnels that allow small molecules to pass from cell to
cell

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Institution
BIO 201
Course
BIO 201

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