1a & 1b – To Investigate Cells Using a Light Microscope (LC 2027) (Leaving Cert Biology): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Total magnification formula
Total magnification formula
Stain for cheek cells (animal)
Stain for cheek cells (animal)
Methylene blue
Stain for onion cells (plant)
Stain for onion cells (plant)
Iodine solution
Tool to collect cheek cells
Tool to collect cheek cells
Cotton wool bud
Tool to peel onion cell layer
Tool to peel onion cell layer
Forceps
Why apply cover slip at angle
Why apply cover slip at angle
To eliminate air bubbles
Starting objective lens power
Starting objective lens power
Lowest power
First focus knob to use
First focus knob to use
Coarse focus knob
Shape of cheek/animal cells
Shape of cheek/animal cells
Irregular and flexible
Shape of onion/plant cells
Shape of onion/plant cells
Regular, rectangular
Diaphragm function
Diaphragm function
Controls amount of light
Condenser function
Condenser function
Focuses light onto specimen
Eyepiece lens function
Eyepiece lens function
Magnifies image formed by objective lens
Cell walls in animal cells
Cell walls in animal cells
Absent
Plant vs animal cell size
Plant vs animal cell size
Plant cells typically larger