unit 1: microscopy Flashcards
(6 cards)
1
Q
all living cells have…
A
- similar basic chemistry
- similar genetic instructions
2
Q
what is an organelle
A
different bodies within a living cell that perform various specific functions
3
Q
why are organelles important
A
- control of passage of materials between compartments
- provide optimal local environment for metabolic reactions and other functions
- high local concentration within a compartment can be achieved
4
Q
true or false: all organelles are membrane bound
A
false, ribosomes and microtubules for example, are not
5
Q
resolution
A
the closest spacing of two points which can be distinguished as separate entities
6
Q
what is the major factor of resolution
A
wavelength of the beam (light or electrons) that are used to detect the image
