Microscope And Calculating Magnification Flashcards
(16 cards)
What is magnification
Make something appear larger than it is, especially with a lens or microscope
What are the types of microscope
Light microscope and electron microscope
What is resolution
The shortest distance between two parts on a specimen that can still be distinguished from each other
What is field view?
The circular area you can see in a light microscope when you look down the eyepiece lens
What is stage on a microscope
A place where the specimen sits on
What is the basic unit of life
Cells
Name 3 types of specialised cell
Sperm cell, muscle cell, nerve cell
What is fertilisation
When the sperm enters the egg
What is a stem cell
An undifferentiated cell of an organism which is capable of giving rise to many more cells of the same type, which can be then differentiate
What are the 2 types of stem cells
Embryonic and adult
What can an embryonic cell do
Can become any of the 220 types of cell in the human body
What can an adult cell do
Can’t not turn into any type of cell, only certain types such as blood cells , making their potential limited
What is density
Mass per unit volume(size)
Solid:
Have nice neat rolls ( very close)
Liquid:
Flowing around each other ( close)
Gas:
Move quickly and randomly (far apart)