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BIOL 111: EXAM 3
name of microscope used in lab |
monocular compound light microscope |
compound refers to.. |
2 types of magnifying lenses:OCULAR LENS & OBJECTIVE LENS |
monocular refers to.. |
that there is only one ocular lens |
light refers to.. |
that visible light is used as a light source for the microscope |
ocular lense always has a magnification of? |
10X |
3 objective lenses |
scanning: gives a 4X mag, gives the broadest view (big pic but not as much detail) among all 3 lenses
low power: gives 10X mag
high power: gives 40X mag, gives the most detailed view |
total magnification |
maginification of Ocular Lens(is always 10X) multiplied by magnification of Objective Lens (depends on which objective lens in use) |
the slide always appears.. |
INVERTED |
Spirogyra |
unicellular eukaryotic organism
kingdom protista
green algae
autotroph (plant like)
10X mag
spiral chloroplasts (appear green) and the nucleus |
Amoeba |
unicellular eukaryotic organism
Kingdom Protista
it is a heterotroph (animal - like)
10X
nucleus and pseudopodia (for movement)
|
Elodea |
multicellular eukaryotic organism
Kingdom Plantae
it is a plant
autotroph
circular and blue
central vacuole and nucleus
40X mag |
Ligustrum |
multicellular eukaryotic organism
KIngdom Plantae
it is a plant
autotroph
40X
chloroplasts appear as green dots |
Staphylococcus Aureus |
bacteria that causes Staph infection
prokaryotic organism
Kingdom Monera
grape like clusters of tiny round shape cells |
interphase |
chromosomes are not visible yet
only see a dark smear inside nucleus |
prophase |
first time chromosomes appear |
prometaphase |
nucleus disappears chromosomes are dancing around |
metaphase |
dall duplicated chromosomes line up in the middle of cell |
anaphase |
early:chromosomes are beginnging to move
middle: more towards end of cell
late: chromosomes are on completely opposite ends |
telophase |
uncoiling of DNA and reemergence of nuclear enveloped |
cytokinesis |
process of dividing the whole cell and its contents, cytoplasm and organelles, cleavage furrow
completely seperated |