key concepts Flashcards
describe how trypsin test temperature can be controlled for trypsin
using a water bath
how to use light microscope to view squashed root tip
place eyepiece on stage and look thru eyepiece lens
turn focusing knob to get clearer image
increase magnification over time
if u cant see the chromosomes in the dividing cells what do u do
use a stain
like iodine
why does phenolphthalein turns colourless when breaks down the lipids in miljk
fatty acids are produced when lipids broken down by lipase and phenophelibn turns colourless in acid
why does the amount of oxygen produced cahnges when past ph7 when breaking down hydrogen peroxide
the reaction slows down so less oxygen being produced
describe the importance of mitosis in the root tips of plants
mitosis is for growth and repair of plant cells and tissuw
and develops roots to absorb water