Biochem Study Flashcards
element
basic substance that cannot be simplified
electrons
negative
protons
positive
nuetron
nuetral
chemical bonds
attractions that holds atoms together in a compound
types of bonds
covalent bond, ionic bond
what do covalent bonds do?
share electrons
what do ionic bonds do?
transfer electrons
polar
electrons are shared unequally
nonpolar
electrons are shared equally
cohesion
attraction between molecules of the same substance
adhesion
attraction of molecules of a different substance
macromolecule
big molecules formed by joining smaller organic molecules together
monomer
building blocks of organic molecule
polymers
molecules made from monomers
what are monomers linked by?
dehydration synthesis
carbohydrate monomer unit:
monosaccharide
lipids monomer unit:
fatty acid
protein monomer unit:
amino acid
nucleus acid monomer unit:
nucleotide
carbohydrate structure:
carbon chain form rings
nucleic acids structure:
nucleotides joined in ladder shaped strands
monosaccharide function:
quick release energy
fat function:
long term energy storage, insulation
protein function:
structures and processes
DNA / nucleotide function:
hold heredity ( DNA), instructions for making proteins