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BIO 101 Exam Fully Tested And Verified

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BIO 101 Exam Fully Tested And Verified what are the 5 themes of biology? organization, information, energy and matter, interactions, evolution organization the biological organization of the levels of life information Chromosomes contain genetic material called DNA energy and mat...

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  • June 5, 2024
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BIO 101 Exam Fully Tested And Verified
what are the 5 themes of biology?
organization, information, energy and matter, interactions, evolution


organization
the biological organization of the levels of life


information
Chromosomes contain genetic material called DNA


energy and matter
In an ecosystem energy and matter are transferred from one organism to another


interactions
All the living and nonliving relationships that exist with an ecosystem


evolution
The one idea that makes sense of everything we know about living organisms


non polar covalent bond
A covalent bond in which electrons are shared equally


polar covalent bond
A covalent bond in which electrons are not shared equally


ionic bond
Formed when one or more electrons are transferred from one atom to another


hydrogen bonds
Very weak bonds; occurs when a hydrogen atom in one molecule is attracted to the electrostatic
atom in another molecule


emergent properties of water
cohesion to water molecules, ability to moderate temperature, expansion upon freezing, versatility as
a solvent


Van der Waals forces
a slight attraction that develops between the oppositely charged regions of nearby molecules


adhesion
An attraction between molecules of different substances


cohesion

, Attraction between molecules of the same substance


How does water moderate temperature
Water absorbs heat from warmer air and releases stored heat to cooler air


Evaporation
The change of a substance from a liquid to a gas


heat of vaporization
The amount of energy required for the liquid at its boiling point to become a gas


What is expansion upon freezing
Ice floats because the hydrogen bonds are more ordered making ice less dense


solution
A homogeneous mixture of two or more substances


solvent
A liquid substance capable of dissolving other substances


solute
A substance that is dissolved in a solution.


aqueous solution
a solution in which water is the solvent


acid
any substance that increases the H+ concentration of a solution


base
A substance that decreases the H+ concentration in a solution.


pH>7
base


pH<7
acid


pH=7
neutral


buffer
compound that prevents sharp, sudden changes in pH

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