Summary Bio 101 lab 5-6 Note

LAB 5.1-4
a. Ocular (eyepiece)
b. Objective lens
c. Mechanical stage
d. Substage condenser
e. Coarse focus adjustment knob
f. Fine focus adjustment knob.


LAB 5.5
Human Blood smear
Description:
1. Circular
2. Pink
3. Tiny bits
4. Presence of large cells of different sizes


Letter e
40x
1. Black
2. E shape
3. Tiny white bits
100x
1. Black
2. U in shape
3. Tiny white bits
400x
1. Black
2. Undefined shape
3. Distinction of black from white


Procedure 5.8
Description of three threads at
40x

, 1. The three threads are in focus.
2. They can be seen very clearly
100x
1. Field of view getting smaller
2. Depth of view decreases
3. Can't see all three threads clearly.
400x
1. Small field of view
2. Three threads are overlapping.
The order of threads is;
Yellow
Red
Blue.
Part of microscope used is objective lens.
Procedure 5.9
Elodea leaf
40x
1. The cells are not clearly visible
100x
1. Green circles (chloroplast)
2. Movement of cytoplasm (cytoplasmic streaming).
400x
1. Presence of central vacuole
2. Green circles (chloroplast)
3. Square outlines (edges of the cells)
4. Movement of cytoplasm (cytoplasmic streaming)
Procedure 5.11A
Diameter (Lp) =2.5mm
10x
2.5mm x 4x / 10x = 1mm
40x