Type
Crossword
Description

The basic unit of a chemical element Atom
A substance made of only one kind of atom (pure substance) Element
A substance made of joined atoms of two or more different elements Compound
A group of atoms bonded together Molecule
An attraction between substances of the same kind Cohesion
An attraction between different substances Adhesion
A mixture in which one or more substances are evenly distributed in another substance Solution
Compounds that form hydrogen Ions when dissolved in water Acid
Compounds that reduce the concentration of the hydrogen Ions in a solution Base
A biological molecule consisting of carbon (glucose) Carbohydrate
(FAT) saturated twice energy as carb Lipid
Amino Acid "Building Blocks" Protien
DNA RNA Nucleic Acid
biologically important organic compounds containing amine and carboxylic acid functional groups Amino Acid
property of objects which can be transferred to other objects or converted into different forms. Energy
the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction. Activation Energy
Used to regulate the rate (speed) Enzyme
Basic reaction (fits) Subtrate
a region on an enzyme that binds to a protein or other substance during a reaction. Active Site

Unit 2- Chemistry of Life Crossword

Type
Crossword
Description

The smallest unit of matter(cannot be broken down by chemical means) Atom
A substance made of only one kind of atom (a pure substance) Element
A substance made of the joined atoms of two or more different elements Compound
A group of atoms held together by covalent bonds Molecule
An attraction between substances of the same kind Cohesion
An attraction between different substances Adhesion
A mixture in which one or more substances are evenly ditributed in another substance Solution
Compounds that form hydrogen ions when dissolved in water Acid
Compounds that reduce the concentration of hydrogen ions in a solution Base
Organic compound made of carbon, hydrogen, and oxygen atoms in proportion of 1:2:1 Carbohydrate
Nonpolar molecules that are not soluble in water Lipid
A chain of amino acids linked together Protein
The building blocks of protein Amino Acid
A long chain of nucleotide Nucleic Acid
The ability to move or change matter Energy
The energy needed to start a chemical reaction Activation Energy
Substances that increase the speed of chemical reactions Enzymes
A substances on which an enzymes acts during chemical reaction Substrate
Pockets formed by deep folds in large protein Active Site

Chemistry of Life Crossword

Type
Crossword
Description

The basic unit of a chemical element Atom
A substance that cannot be decomposed into simpler substances by chemical means Element
A substance formed when two or more chemical elements are chemically bonded together. Compound
A tiny or very small piece of something Molecule
The sticking together of alike molecules Cohesion
The force of attraction between unlike molecules Adhesion
A substance in which the particles are spread out evenly Solution
Any class of compounds that form hydrogen ions when dissolved in water Acid
A substance that accepts protons from acids Base
Molecular compounds made from just three elements, carbon, hydrogen, and oxygen Carbohydrates
A group of naturally occurring molecules that include fats, waxes, and steroids Lipids
A molecule composed of polymers of amino acids joined together by peptide bonds Proteins
DNA and RNA Nucleic Acid
The building blocks of protein. Only 20 of these. Amino acids
The strength and vitality required for sub stained physical or mental activity Energy
The minimum quantity of energy that the reacting species Activation energy
A substance produced by a living organism that acts as a catalyst to bring about reactions Enzyme
A substance or layer that underlies something or on which some process occurs in particular Substrate
A region on an enzyme that binds to a protein or other substances during a reaction Active site

Biology Vocabulary Crossword

Type
Crossword
Description

what is the basic unit of a chemical element? atom
what is a substance consisting of atoms which all have the same number of protons? element
what is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound? molecule
what is a chemical bond formed between two ions with opposite charges? ionic bond
what is a chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms? covalent bond
What is a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom? Hydrogen bond
What is the sticking together of alike molecules, such as water molecule being attracted to another water molecule? Cohesion
What is the force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies? Adhesion
What is a measure of the hydorgen ion concentration of a solution? pH
What is a molecule that can combine with others of the same kind to form a polymer? Monomer
What are large molecules composed of many similar smaller molecules linked together ? Polymer
What is a large complex molecule, such as nucleic acids, proteins, carbohydrates, and lipids, with relatively large molecular weight ? Macromolecule
What are molecular compounds made from just three elements: carbon, hydrogen and oxygen.? Carbohydrate
What is a series of sweet-tasting, crystalline carbohydrates, especially a simple sugar or a chain of two or more simple sugars? Saccharide
what is an organic molecule of biological origin that is insoluble in water and soluble in non-polar solvents ? lipid
What is a molecule composed of polymers of amino acids joined together by peptide bonds.? protein
What are the building blocks of all biological proteins ? Amino acid
What are proteins that act as catalysts within living cells ? Enzyme
What is a substance capable of initiating or speeding up a chemical reaction? catalyst
What is a model that assumes an enzyme and substrate have a rigid interaction with each other, where a substrate fits in a key-like fashion to its lock, the enzyme, turning on the reaction ? Lock and key model
What are acids consist of either one or two long chains of repeating units called nucleotides, which consist of a nitrogen base attached to a sugar phosphate? nucleic acid
what is a chemical reaction that builds up molecules by losing water molecules ? dehydration systhesis
What is a chemical reaction in which two molecules combine to form a larger molecule with the elimination of a small molecule ? condensation reaction

Atoms, Elements, and Compounds Crossword

Type
Crossword
Description

are the building blocks of matter Atoms
Neutrons and Protons are located here Nucleus
Positively charged particles Protons
Particles that have no charge neutrons
Negitively charged particles Electrons
pure substances that cannot be broken down into other substances by physical or chemical means Element
Atoms of the same element that have different numbers of neutrons Isotopes
A pure substance formed when two or more different elements combine Compound
chemical bond that forms when electrons are shared Covalent bond
a compound in which the atoms are held together by covalent bonds Molecule
an electrical attraction between two oppositely charged atoms or groups of atoms ionic bonds
process by which atoms or groups of atoms in substances are reorganized into different substances chemical reaction
substance that lowers the activation energy needed to start a chemical reaction catalyst
biological catalyst that speed up the rate of chemical reactions in biological processes enzymes
specific location where a substrate binds on an enzyme active site
molecules that have an unequal distribution of charges polar molecules
the electrostatic attraction hydrogen bond
the substance that is dissolved in the solvent solute
substance in whih another substance is dissolved solvent
anothe name for homogeneous mixture solution

Unit 2- Chemistry of Life Crossword

Type
Crossword
Description

the smallest component of an element having the chemical properties of the element Atom
cannot be decomposed, and is made up of atoms all with identical number of protons. Element
formed when two or more chemical elements are chemically bonded together. Compound
a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. Molecule
sticking together of alike molecules, such as water molecule being attracted to another water molecule. Cohesion
The force of attraction between unlike molecules, or the attraction between the surfaces of contacting bodies. Adhesion
homogenous mixture in which the particles of one or more substances are distributed uniformly throughout another substance. Solution
Any of a class of compounds that form hydrogen ions when dissolved in water, and whose aqueous solutions react with bases and certain metals to form salts. Acid
substances that accept protons from acids. Base
molecular compounds made from just three elements: carbon, hydrogen and oxygen. Carbohydrates
naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, triglycerides, phospholipids, and others. Lipids
A molecule composed of polymers of amino acids joined together by peptide bonds. Protein
consist of either one or two long chains of repeating units called nucleotides, and consists of a nitrogen base attached to a sugar phosphate. Nucleic Acid
link together bonds in a particular order as defined by genes. Amino acids
Use the metabolic capacities of organisms to convert some combination of light, biomass, organic compounds, gases and water into useful chemical-bond energy. Energy
the energy required to start a reaction. Active Energy
accelerate, or catalyze, chemical reactions. Enzymes
Material or substance on which an enzyme acts. Substrate
The specific region of an enzyme where a substrate binds and catalysis takes place or where chemical reaction occurs. Active Site

chapter 2 vocabulary Crossword

Type
Crossword
Description

smallest unit of life atom
an atom that cannot be broken down any further element
substance made of atoms of different elements compound
atom that gains or loses one or more electrons ion
made of monomers bonded together, large polymer
reached when voth product and reactent are made at once equilibrium
chemical energy is released exothermic
chemical energy absorbed endothermic
catalyst for chemical reactions in living things enzymes
two or more atoms held together by covalent bonds molecule
contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfer amino acids
non polar molecules that include fats, oils, and cholesterol lipid
polymer made of monomers called amino acids protein
substances made by a chemical reaction product
products changed during a chemical reaction reactants

Chemistry of LIfe Crossword

Type
Crossword
Description

The basic unit of a chemical element Atom
Can't be broken down into simpler substances Element
Composed of two or more separate elements Compound
A group of atoms bonded together Molecule
The action of forming a united whole Cohesion
The force of attraction that causes two different substances to join Adhesion
composed of a solvent and a solute Solution
a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red Acid
substances that accepts protons from acids Base
a biological molecule consisting of carbon, hydrogen, and oxygen atoms Carbohydrate
any of a class of organic compounds that are fatty acids Lipid
Large molecules composed of one or more chains of amino acids Protein
whose molecules consist of many nucleotides linked in a long chain Nucleic acid
a simple organic compound containing both a carboxyl and an amino group. Amino acid
The ability to do work, or produce change Energy
the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction Activation energy
a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction Enzyme
the substance on which an enzyme acts Substrate
a region on an enzyme that binds to a protein or other substance during a reaction Active site

Ch 2: CHEMISTRY OF LIFE Crossword

Type
Crossword
Description

smallest basic unit of live atom
one particular type of atom which cannot be broken down into simpler substances element
substance made of atoms of different elements bonded together in a certain ratio compound
atom that gained or lost one or more electrons ion
forms through the electrical force between atoms with opposite charges ionic bond
forms when atoms share a pair of electrons covalent bond
two or more atoms held together by covalent bonds molecule
attraction between a slightly positive hydrogen atom and a slightly negative atom hydrogen bond
attraction among molecules of a substance cohesion
attraction among molecules of different substances adhesion
mixture of substances that is the same throughout solution
substance that dissolves in a solvent solute
substance that is present in the great amount and that dissolves another substance solvent
compound that releases a proton when dissolved in water acid
compound that remove H+ ions from solution base
scale to measure acidity or H+ concentration pH
small molecules that make up each subunit in a complete molecule monomer
large molecule made of many small units bonded together polymer
molecules composed of carbon, hydrogen and oxygen-sugars and starches carboydrates
nonpolar molecules that include fats, oils and cholesterol lipids
polymer made of monomers called amino acids protein
polymers that are made of monomers called nucleotides nucleic acids
change substances into different substances by breaking and forming chemical bonds chemical reactions
substances that change during a chemical reactions reactants
substances made by a chemical reaction products

Unit 2 Vocab Word Search

Type
Word Search
Description

peptidebond
polar molecule
van der Waals forces
substrate
solution
reactant
protein
product
polymer
pH
nucleus
nucleotide
nucleic acid
monomer
molecule
mixture
metabolism
macromolecule
lipid
isotope
ionic bond
ion
hydrolysis
hydrogen bond
enzyme
element
dehydration
covalentbond
compound
chemical reaction
catalyst
carbohydrate
buffers
base
atom
amino acid
activation energy
acid

MACROMOLECULES Crossword

Type
Crossword
Description

A hydrogen bond is the electrostatic attraction between polar groups that occurs when a hydrogen (H) atom bound to a highly electronegative atom such as nitrogen (N), oxygen (O) or fluorine (F) experiences attraction to some other nearby highly electronegative atom. H-bonding
An organic compound is any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon. organicmolecule
large molecule, such as protein, commonly created by polymerization of smaller subunits macromolecule
a molecule that may bind chemically or supramolecularly to other molecules to form a polymer monomer
a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded toget many synthetic organic materials polymer
biological molecule consisting of carbon, hydrogen and oxygen atoms, usually with a hydrogen–oxygen atom ratio of 2:1 carbohydrate
called simple sugars monosaccharide
polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic linkages and on hydrolysis give the constituent monosaccharides or oligosaccharides. polysaccharide
macromolecular biological catalysts enzyme
surface on which a plant or animal lives substrate
large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues. protein
covalent chemical bond formed between two amino acid molecules. peptidebond
biologically important organic compounds containing amine and carboxylic acid functional groups, aminoacid
a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, triglycerides, phospholipids, and others lipid
amylum is a polymeric carbohydrate consisting of a large number of glucose units joined by glycosidic bonds starch
a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi. glycogen
an insoluble substance that is the main constituent of plant cell walls and of vegetable fibers such as cotton. cellulose
holding as much water or moisture as can be absorbed; thoroughly soaked. saturated
having carbon–carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms for the number of carbons. unsaturated
the region of an enzyme where substrate molecules bind and undergo a chemical reaction. activesite
uncommon in nature but became commonly produced industrially from vegetable fats for use in margarine, snack food, packaged baked goods and frying fast food transfat
simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. glycerol
is a carboxylic acid with a long aliphatic chain, which is either saturated or unsaturated fattyacids
biopolymers, or large biomolecules, essential for all known forms of life. nucleicacids
organic molecules that serve as the monomers nucleotides
inorganic chemical and a salt of phosphoric acid. phosphate
carbohydrate with the formula C5H10O5; ribose
Deoxyribonucleic acid is a molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses DNA
Ribonucleic acid is a polymeric molecule implicated in various biological roles in coding, decoding, regulation, and expression of genes RNA
minimum energy which must be available to a chemical system with potential reactants to result in a chemical reaction. activationenergy