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bio test #2

chemistry and biochemistry

QuestionAnswer
an atom has 4 protons how many electrons does it have? 4
the postitivly and negatively charged atoms are known as... ions
which set of atoms already have a full set of valence electrons carbon
describe the parts of a atom including there charge. electrons-negative protons-positive nutrons-no charge
what is the difference bettween ionic bonds and covalent bonds covalent bonds share electrons and ions steal electrons
what is a chemical formula and provide a example it tells you the number of atoms of each element in a compound ex. C6H12O6
what is a hydrogen bond a weak bond between 2 molecules
what is a enzyme they are macromolecular biological catalysts
name 6 elements required for life oxyegen, hydrogen,nitrogen,carbon,calcium,and phosphorus
what makes carbon unique it can make a covalent bond to as many as 4 different atoms
lipid stores energy
carbohydrate provides energy
nucleic acid stores genetic info
protien contols rate of chemical reactions through enzymes
what type of bond is between 2 amino acids hydrogen
carbohydrate id CHO or ring structure
protein id CHONPS
lipi id CHO
nucleic acid id CHOP
why is water unquie its hydrogen bonding, its polar
what are the 2 parts of a nucleic acid DNA, RNA
Created by: zoelynn6