Tools Flashcards
(10 cards)
0
Q
What is Field Of View?
A
- area seen through microscope
1
Q
What is Ultracentrifuge?
A
- machine that spins at high speed
- has test tube that contain parts of ruptured cells
- when machine move, cell part fall in different levels in tube (depending on density)
2
Q
What happens to image when viewed in microscope?
A
- inverted and reversed
- “p” looks like “d”
3
Q
What is Meniscus?
A
- when looking at liquid from the side, meniscus at the bottom of the arc
- arc shaped like flat “U”
4
Q
How many um is 1 mm?
A
1000 um
5
Q
What is Benedict’s Reagent?
A
Test for presence of reducing sugars.
6
Q
What is Iodine?
A
Test for presence of starch.
7
Q
What enzymes in raw potato do?
A
Enzymes break down hydrogen peroxide.
8
Q
What tool used to measure liquids?
A
Graduated Cylinder
9
Q
How meniscus should be read?
A
- at eye level
- measure at bottom of arc
