Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Unit 2- Chemistry of Life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Biology Vocabulary Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Chemistry of life Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Atoms, Elements, and Compounds Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Biomolecules Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

are proteins catalysts that speed up the rate of a chemical reactions in the body enzymes
are the building blocks/subunits of proteins amino acids
are macromolecules made of many monomers joined together polymers
are the building blocks/subunits of nucleic acids nucleotides
is a polysaccharide made of glucose units hooked together found in plant cell walls cellulose
are organic compounds commonly called fats and oils. lipids
are organic compounds used to store and release energy carbohydrates
contains the elements carbon, hydrogen,oxygen and nitrogen and is composed of amino acids examples are insulin,hemglobin and enzymes protein
are the small building blocks of polymers monomers
is a simple one unit sugar such as glucose or fructose having the formula C6H12O6 monosaccharide
are the largest carbohydrate molecules, they are polymers composed of many monosaccharides linked together(starch, glycogen, chitin, etc.) polysaccharides
are macromolecules such as DNA and RNA nucleic acids
links amino acids together peptide bond
is a polysaccharide consisting of highly branched chains of glucose units used as food storage in plants starch
a polysaccharide with highly branched chains of glucose units, used by animals to store food glycogen

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Molecular Biology Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

carbon compounds composed of carbon, hydrogen, and oxygen; used as short term energy storage Carbohydrates
broad class of carbon compounds that are insoluble in water; includes fatty acids, triglycerides, steroids, and waxes lipids
carbon compounds composed of one or more chains of amino acids proteins
subunits of proteins; composed of carbon, hydrogen, oxygen, and nitrogen (and sometimes sulphur) amino acids
chains of subunits called nucleotides; RNA and DNA nucleic acids
subunits of nucleic acids; composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus nucleotides
the sum of all chemical reactions that occur in an organism metabolism
the part of metabolism in which chemical reactions build up larger molecules from smaller ones anabolism
the part of metabolism in which larger molecules are broken down into smaller ones catabolism
double stranded double helix, ATCG bases, nucleic acid DNA
to copy DNA DNA replication
single stranded, AUCG bases, nucleic acid RNA
messenger RNA, copies the DNA code and moves it to the ribosome mRNA
The process of making proteins Protein Synthesis
Happens in the nucleus, making mRNA from DNA Transcription
happens at the ribosome mRNA- Amino acids- proteins Translation
amino acids are held together by peptide bonds. A strand of amino acids are polypeptides or protiens Polypeptides
determined by watson and crick; structure of DNA double helix
sub unit of nucleic acid (monomer) made of 5 carbon sugar, phosphate, nitrogenous base nucleotide
purine that pairs with thymine adenine
pyrimidine (single ring) that pairs with adenine thymine
double ring; purine; that pairs with cytosine guanine
single ring base, pyrimidine, that pairs with guanine cytosine
DNA strands run in opposite directions antiparallel
unzips DNA helix helicase
lays down RNA primer for replication RNA primase
made continuously leading strand
TATA box, regions that encourage transcription promoters
non coding regions that are excised introns
triplet of mRNA that codes for amino acids for protein synthesis codon

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MACROMOLECULES Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

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

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Chemical Reactions Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

A chemical reaction that requires heat Endothremic
The law that states that energy cannot be created or destroyed but can be change another LCE
The minimum amount of energy required to start a chemical reaction Activation Energy
A substance that slows down or stops a chemical reaction Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed very much Catalyst
A chemical reaction in which heat is released to the surroundings Exothermic
A combination of chemical symbols and numbers to represent a substance Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance or molecule that participates in a chemical reaction Reactant
The substance that forms in a chemical reaction Product
2 or more substances combine to form a new compound Synthesis
A compound decomposes into 2 or more simpler substances Decomposition
1 element replaces another element in a compound Single Replacement

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Food and Nutrition Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

The starches and sugars present in foods which are made up of carbon, oxygen, and hydrogen, which are used to store energy for the body. Carbohydrates
An indigestible complex carbohydrate that is found in the tough, stringy parts of vegetables, fruits, and whole grains. Fiber
The amount of energy required by the body to maintain minimum essential life functions. Basal Metabolic Rate
Nutrients that help build and maintain body cells and tissues which are made of long chains of molecules called amino acids. Proteins
Substances in food that your body needs to grow, to repair itself, and to supply you with energy. Nutrients
A fatty substance that does not dissolve in water. lipid
Units of heat that measure the energy used by the body and the energy that foods supply to the body. Calories
The long stiff fibers that make up the walls of plant cells which are made of long chains of glucose (sugar) molecules linked together. Cellulose
The kinds and amounts of food and drinks a person usually consumes (eats & drinks). Diet
The total of all the chemical reactions an organism needs to survive. The process of chemical digestion and its related reactions. Metabolism
The Nutrition Label helps you determine the amount of calories and nutrients in one serving of food. Nutrition Label
Special carbohydrates that are found in foods like rice, wheat, corn, potatoes, and peas. Starches
Specific chemical compounds which are the building blocks of proteins. Amino Acids
When the amount of calories you consume is EQUAL to the amount of energy calories your body uses during activity during a day. Energy Balance

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Biochemistry: Macromolecules! Crossword

Type
Crossword
Description

This crossword contains the following questions and answers:

Macromolecules are large ___ molecules Organic
Monomers of nucleic acids Nucleotides
A fatty acid that does not have double bonds between carbons Saturated
Unsaturated fatty acids have ___ bonds between carbons Double
Example of a common monosaccharide Glucose
Store the most energy Lipids
Protein structure held together by hydrogen bonds, froming coils and pleats Secondary
Biological Catalyst reducing the amount of activation energy required Enzyme
One of the four nitrogenous bases Cytosine
Compound containing carbon Organic
Building block of polymers Monomers
Combined together to create carbohydrates Monosaccharides
Fatty acids are the building block Lipids
Amino acids bonded by peptide bonds Proteins
Adds water to separate monomers Hydrolysis
A reaction, also known as dehydration synthesis Condensation
Consists of a phosphate group, pentose sugar, and a nigrogenous base Nucleic acid
Enzymes can ___ when homeostasis isn't maintained Denature
Form (structure) of DNA Double helix
A substrate fits into an enzyme at the ___ active site

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