Nature of Matter
Chemical Reactions
The Molecules of Life
Biological Molecules
The Nature of Life (Properties of Water)
100
The smallest unit of matter
What is an atom
100
The substances used in the beginning of chemical reactions
What is reactants
100
Essential part of our diet
What are carbohydrates
100
Have a hydrocarbon chain that contains a double bond
What is an unsaturated fat than acid
100
Solutions are composed of
What is a solute & a solvant
200
Is a pure substance composed of only one type of atom
What is an element
200
The substances found at the end of the reaction
What is products
200
are lipids hydrophobic or hydrophilic?
What is hydrophobic (water-hating)
200
Have only single bonds between neighboring carbons in the hydrocarbon chain & are saturated with hydrogen
What are attracted fatty acids
200
A polar substance that interacts readily with or dissolves in water
What is hydrophilic (water-loving)
300
Total number of protons & neutrons in an element
What is the mass number
300
Reactions that can only proceed in one direction until all the reactants are used
What is irreversible
300
Are composed of building blocks
What are amino acids
300
Are composed of amino acids
What are proteins
300
Non-polar Molecules that do not interact well with water, they separate instead of dissolving
What is hydrophobic (water-hating)
400
One or more electrons transfer from one atom to another
What is an ionic bond
400
Reactions that can go back and forth between production and reactions
What is reversible
400
four classes of biological molecules
What are proteins, carbohydrates, lipids, & nuclei acids
400
The covalent bonds that bond amino acids are called
What are peptide bonds
400
The attraction between water molecules & other molecules
What is adhesion
500
Three subatomic particles that an atom is composed of
What are: protons, neutrons, & electrons
500
Two or more atoms bond together to form molecules or bonded atoms are broken apart
What is chemical reactions
500
Are composed of nucelic tides
What is nucleic acids
500
Polypeptides chains are built according to instructions from
What is DNA
500
Indicates the concentration of H+ ions in a solution; ranges from 0-14
What is a pH scale
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