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WorksheetsCh 2 Biochemistry
Total questions: 55
Worksheet time: 28mins
the science and study of matter
biology
science
chemistry
physics
the basic unit of matter
element
atom
compound
monomer
a positively charged subatomic particle found in the atomic nucleus
proton
neutron
electron
a neutral subatomic particle (has no charge) found in the atomic nucleus
proton
neutron
electron
a negatively charged subatomic particle found orbiting an atomic nucleus
proton
neutron
electron
a pure substance made up of only one type of atom
isotope
chemical compound
matter
element
atoms of the same element, but have different numbers of neutrons (ex: Carbon 12, 14, 16)
neutrons
isotopes
chemical compounds
elements
substances formed by the chemical combination of two or more elements in specific proportions/amounts
chemical compounds
solutions
elements
type of bond that occurs when electrons are transferred from one atom to another
Van der Waals forces
covalent bond
ionic bond
type of bond that occurs when electrons are shared between atoms
chemical compounds
ionic bond
atomic bond
covalent bond
type of bonds that involve weak intermolecular forces between + and - charged regions of molecules
Van der Waals forces
ionic bond
covalent bond
what is the mass per unit of measure for an object?
gravity
density
weight
when the charges charges of a molecule are unevenly distributed (more + on one side, and more - on the other side)
cohesion
polarity
adhesion
isotopes
the attraction between molecules of the same substance (image: water molecules all together on top of a penny)
covalent bond
adhesion
ionic bond
cohesion
the attraction between molecules of different substances
covalent bond
adhesion
ionic bond
cohesion
when both adhesion and cohesion together cause liquids to move up narrow tube structures
capillary action
adhesion
cohesion
the amount of energy needed to increase the temperature of a substance
ions
temperature
thermal energy
heat capacity
a material composed of two or more elements or compounds that are physically mixed together (but not chemically combined)
chemical compound
mixture
solution
element
when the molecules of a mixture are evenly distributed
solution
suspension
solute
solvent
the substance that gets dissolved in a solvent
solution
suspension
solute
solvent
the substance that a solute is dissolved in (is usually water)
solution
suspension
solute
solvent
a mixture of water and non-dissolved material
solution
suspension
solute
solvent
scale that measures the concentration of hydrogen ions (H+) in a solution (ranges from 0-14) (can also say it shows how acidic or basic a solution is)
pH scale
acids and bases scale
atomic scale
compounds that form hydrogen ions (H+) in a solution (has pH less than 7)
acids
bases
buffers
compounds that form hydroxide ions (OH-) in a solution (has pH greater than 7)
acids
bases
buffers
compounds that prevent sharp, sudden changes in pH
acids
bases
buffers
pH solutions
means big / large molecules
micromolecules
macromolecules
biomolecules
polymolecules
the study of all compounds that contain carbon bonds
organic chemistry
chemical chemistry
physical chemistry
small individual molecules are called
polymers
monomers
elements
atoms
large molecules made up of monomers linked together are
polymers
atoms
elements
chemical process where monomers are joined together to form polymers
chemical fusion
polymerization
monomerization
store and release energy, are source of quick energy for organisms
carbohydrates
lipids
proteins
nucleic acids
the monomer of carbohydrates are
polysaccharides (complex sugars)
monosaccharides (single sugars)
the polymer of carbohydrates are
polysaccharides (complex sugars)
monosaccharides (single sugars)
an important sugar (carbohydrate) for organisms
proteins
catalyst
glucose
monomer
a complex carbohydrate, function is to store extra sugars
starch
cellulose
glucose
keratin
stores energy, form biological membranes, chemical messengers
proteins
carbohydrates
lipids
nucleic acids
fats, oils, and waxes are types of
proteins
lipids
carbohydrates
nucleic acids
glycerol combined with fatty acid side chains form a
carbohydrate
nucleic acid
protein
lipid
macromolecules made up of amino acids are
carbhydrates
proteins
nucleic acids
lipids
the monomer of proteins are
nucleotides
glycerol + fatty acids
sugars
amino acids
the polymer of proteins are
starches
amino acids
complete proteins
lipids
the type of bond between amino acids of a protein
peptide bond
atomic bond
covalent bond
ionic bond
macromolecules that store and transmit genetic information
nucleic acids
proteins
lipids
carbohydrates
the polymers of nucleic acids are
nucleotides
bases
DNA and RNA
single and double helix
the monomer of nucleic acids is a
nucleotide
nitrogen base
5-carbon sugar
phosphate group
the process that changes one set of chemicals into another is called a
chemical production
chemical reaction
chemical destruction
the substances that "go into" a chemical reaction (to start it)
substrates
products
reactants
catalysts
the substances that "come out" of a chemical reaction (the results)
substrates
products
reactants
catalysts
the amount of energy required to start a chemical reaction
heat capacity
reactants
activation energy
a substance that speeds up a chemical reaction by lowering the activation energy required
catalyst
reactants
products
thorium
types of proteins that act as a biological catalyst
enzymes
amino acids
proteins
nucleic acids
material that binds to an enzyme's active site
solvent
reactant
substrate
solute
the area of an enzyme that a substrate binds to
active site
denature site
substrate site
process when the molecular structure of a protein is changed
mutation
denture
chemical reaction
