The technique which is used to separate fragments of charge bearing polymer molecules called………
a) chromatography
b) electrophoresis
c) spectrophotometery
d) microdisection
The technique which is used to determine the absorption of different wavelength of light by a particular chemical compound called…….
a) electrophoresis
b) chromatography
c) microdisection
d) spectrophotometery
Cell Wall and Plasma Membrane
In which of the following cells, cell wall is present?
a) plants
b) fungi
c) prokaryotes
d) all of these
Plant cell wall is………
a) semi-permeable
b) permeable
c) impermeable
d) selective permeable
…….is a polymer of around 200 galactouronic acid molecules and is the major component of middle lamella.
a) cellulose
b) hemicellulose
c) pectin
d) lignin
