Exercise 3 +4

compound light microscopes

series of lenses which multiply the magnification

light source is below sample and passes through a thin object

binocular

has an ocular lens for each eye

good resolution

ability to distinguish between two points

high contrast

the difference between lightest and darkest parts of image

parfocal

remaining nearly focused as we change between objective lenses

parcentral

centered as we changed objective lenses

magnification

up to 1000x

field of view

the 2 dimensional area u can see when you look through the oculars

depth of field

the thickness of the objecy viewed

wet mount

freshly prepared slide

cell theory

all living things are made of cells (one or more)

all cells come from prior cells

most fundamental unit of life

Plasma membrane, ribosomes, DNA, and cytoplasm

All cells have

prokaryotic cells

no nuclear membrane surrounding genetic materials

no organelles

smaller

motile

Unicellular

Prokaryotes are uni or multi?

cell walls

Prokaryotic cells have a _______ outside the PM

eukaryotic cells

nucleus

organelles

nucleus

houses DNA

mitochondria

found in all eukaryotes and does CR

chloroplast

plant and algae cells

Photosynthesis

Multicellular

all eukaryotes are _______ but some are unicellular

protists and some fungi

what eukaryotes are unicellular

plants and fungi

what eukaryotes have cell walls?