Bio-Chemistry Exam 4
isomers that differ at a new asymmetric carbon atom formed on ring closure
anomers
what protein polymerizes into a lattice network around a budding membrane
clathrin
unsaturated fatty acids have ___________ bonds
double
sugars that are diasteraiosomers differing in configuration at only a single asymmetric center
epimers
where in the cell are glycoproteins and glycolipids commonly located
external surface of the plasma membrane
what membrane components contain carbohydrates
glycolipids
complex polysaccharides containing amino groups
glycosaminoglycans
what type of sugar is fructose
hexose
for fatty acids, the longer the chain and the less double bonds = the ______________ the melting point
higher
what type of bacteria are used to process chitin
lactic-acid generating
disaccharide of milk
lactose
Membranes are primarily comprised of
lipids and proteins
aqueous compartments enclosed by a lipid bilayer, also known as lipid vescles
liposome
hydrolysis of large polymeric oligosaccharides
maltose
the simplest carbohydrates
monosaccharides
are D-glucose and L-glucose epimers
no
what structure is responsible for transport regulation into and out of the nucleus
nuclear pore
what structure is defined by a single membrane and plays a major role in the oxidation of fatty acids for energy conversion
peroxisome
three common types of membrane lipids
phospholipids, glycolipids, cholesterol
saturated fatty acids have ___________ bonds
single
what accounts for the wide range of carbohydrate functions
structural diversity
common table sugar
sucrose
which of the common disaccharides is not a reducing sugar
sucrose
what are the three common disaccharides
sucrose, lactose, maltose
which carbon is the w-carbon atom of a fatty acid
the methyl carbon atom at the distal end of the chain
what does the N-linked oligosaccharide core include
three mannose, two N-acetylglucosamine residues
slow rotation of lipids from one face of a membrane to the other
transverse diffusion
which structures are composed of aqueous compartments enclosed by a lipid bilayer and can be used to deliver chemicals to cells
vesicle
are D-glucose and D-galactose epimers
yes
