Studying Cells Flashcards
What chemical do we used when looking at plant tissue under a microscope?
Iodine
When using a microscope why should you always start with the lower zoom level?
To get a better field of view
What is resolution?
The minimum distance apart objects can be in order to be separate
What is magnification?
How many times bigger the image is compared to the object
Which part of the microscope do you look through?
The eye piece
What is the course focus used for?
Moves the focus to roughly the correct specimen
What is the fine course for?
Improve the focus after using the course focus
What 4 things make up an animal cell?
Nucleus, cell membrane, cytoplasm and mitochondria
What is in an plant cell that is not in a animal cell?
Cell wall, chloroplasts, plastids and a vacuole
When looking at animal cells under a microscope what chemical would you add to the sample?
Methaline blue
What do we call material we place under a microscope?
The object
How do you calculate magnification?
Magnification = size of image/size of real object
How do you calculate the size of the real object?
Size of real object = size of image/magnification
What is cell fractionation?
The process where cells are broken up and the different organelles they contain are separated our
