Biochemistry Flashcards

4816121894	Biochemistry	The study of the chemistry of life	0
4816121895	Atom	Simplest particle of matter	1
4816121896	Electrons	Negative charge, move around in electron cloud, form bonds	2
4816121897	Bond	Holds 2 elements together	3
4816121898	Covalent bond	Shares electrons	4
4816121899	Ionic bond	Transfer electrons	5
4816121900	Ion	Atoms with a charge	6
4816121901	Electrolytes	Important ions required by the body	7
4816121902	Important electrolytes	Na+, K+, Cl-, Mg+, Ca2+, Fe2+	8
4816121903	Chemical reaction	Reaction in which bonds are made and broken	9
4816121904	Hydrogen bond	a weak bond in which polar molecules are attracted to and hold together	10
4816121905	Element	Atoms are elements, but the number of protons defines each element (atomic number)	11
4816121906	4 most common elements in the human body	H, O, N, C	12
4816121907	pH	Percent hydrogen ions in a solution	13
4816121908	Solvent	Dissolves substances	14
4816121909	Solute	Substance being dissolved	15
4816121910	0-6.9 on pH scale	Acidic	16
4816121911	7.1-14 on pH scale	Alkaline/basic	17
4816121912	Acids have more	Hydrogen ions	18
4816121913	Bases have more	Hydroxide ions	19
4816121914	Macromolecule	Large molecule	20
4816121915	Polymer	Made up of many units bonded together	21
4816121916	Key macromolecules of the human body	1. Carbohydrates 2. Lipids 3. Proteins 4. Nucleic Acids	22
4816121917	Buffer	A weak acid or base that helps maintain homeostasis that combines with a strong acid or base	23