required practicals Flashcards
1
Q
microscopy
A
use sain to make organelles visable
get specimen as flat and thin as possible
start on the smallest lens , focus, and then move up the lens
a ruler or eyepiece scale can be used to measure size
2
Q
osmosis
A
cut 5 equal size potatoes
measure the length and mass of each piece of potato
place in 5 different concentrations of solutioj ranging from 1m to distilled water
leave overnight
dry with paper towels and record length and mass again
3
Q
A
