Other Flashcards
(14 cards)
how is primary structure determined?
by DNA
bonds in a secondary structure?
Hydrogen bonds between the amino acid and carboxyl groups
how is the tertiary structure formed?
attractive and repulsive forces with the environment
Bond between glycerol and fatty acids
ester linkages due to esterfication
what are steroids
4 fused carbon ring with diff functional groups
what are waxes
long chain fatty acids linked to alcohol or carbon rings
what is a nucleotide?
chain made up of sugar-phosphate group backbone
Bond that holds backbone together
phosphidiester bond, between 5’ Carbon and 3’ C
What does RNA do
protein synthesis
what is at the ends of DNa
a free phosphate group on 5’ end and a free sugar on 3’ end
Where is glycogen stored?
liver and muscle
what are microfibrils?
tough and insoluble
bundles of cellulose chains held together by hydrogen bonds
Humans can’t digest cellulose (why good thing?)
acts as a dietary fiber, adding bulk to stool and promoting healthy bowel movements
what does cholesterol do?
gives membrane rigidity
precursor of steroid hormones
is very common in animal cells
involved in formation of Vitamin D and bile salts
