Biochemistry Flashcards

7322922634	Atom	Basic unit of matter	0
7322924328	Nucleus	The center of the atom that contains the protons and neutrons	1
7322929443	Electron	Negative charge in shells around nucleus in constant motion	2
7322934873	Element	Pure substances enterally of one atom	3
7322942519	Isotope	Atoms of the same element that differ in the number of neutrons they contain; have some chemical properties	4
7322949841	Compound	2 or more elements in definite proportions	5
7322963198	Ionic Bond	One or more electrons are transferred from one atom to another	6
7322970364	Ion	Charged atom	7
7322974110	Covalent Bond	one or more electrons are shared between atoms; forms molecules	8
7329565834	Molecule	small particle	9
7329582853	Valence Electrons	An electron of an atom	10
7329595064	Hydrogen Bond	A chemical bond in which a hydrogen atom that has a covalent link	11
7329614231	Cohesion	Water molecules are attracted to each other	12
7329621253	Adhesion	Water molecules are attracted to other molecules	13
7329627257	Solute	A substance dissolved in a given solution	14
7329648068	Solvent	A substance that dissolves another form of a solution	15
7329656945	pH Scale	A system of measurement to indicate concentration of H+ ions in solution	16
7329667004	Acid	Forms H+ ions in solution	17
7329676605	Base	Form OH ions in solution	18
7329683011	Buffer	Weak acids or bases that can react with strong acids or bases and prevent sharp, sudden changes in pH	19
7329694665	Monomer	Building blocks that bond together to form polymers	20
7329706124	Polymer	A compound formed from 2 or more polymeric compounds	21
7329725079	Monosaccharide	A carbohydrate that does not hydrolyze	22
7329750080	Lipid	Not soluble in water. Fats, oils, and waxes. Stores energy, waterproof coverings, steroids, hormones.	23
7329765554	Nucleic Acid	Store and transmit hereditary	24
7329779605	Nucleotide	A group of molecules that when linked together they form building blocks of DNA & RNA	25
7329795165	Protein	A three dimensional polymer made of monomers of amino acids.	26
7329816829	Amino Acid	Any class of organic compounds that contains at least one amino acid.	27
7329833957	Chemical Reaction	Process that changes one set of chemicals.	28
7329841803	Reactant	Elements/compounds that enter a reaction.	29
7329847094	Product	Elements/compounds produced by a reaction	30
7329863925	Activation energy	Energy needed to get a reaction started	31
7329867606	Catalyst	substance that speeds up the rate of a chemical reaction	32
7329873134	Enzyme	A type of protein that speeds up a chemical reaction in a living thing	33
7329873135	Substrate	reactant of an enzyme-catalyzed reaction	34