organelles test prac.

38 terms by ariellemanio 

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cell wall

protects the plant cell

cell membrane

allow certain materials in and out of the cell

cytoplasm

a gelatin mixture that flows inside the cell membrane

nucleus

directs all cells' activities

choloroplast

grren chlorophyll containing plant cell oraganelle that uses light energy to produce sugar from carbon dioxide or water

mitochondria

releases energy in stored food

ribosome

make proteins

Endoplasmic reticulum

moves materials around in a cell and is made up of a complex series of folded membrane

golgi bodies

oackages cellular materials and transpor them within a cell

vacuoles

store water,food,waste products, and other cellular materials

lysosome

breaks down food moleculescell wastes and worn out cell parts

organelle

structure within the cytoplasm of eukaryotic cells

tissue

same cells that work together

organ

made up of different kinds of tissues that work together

virus

a strand of hereditary material surrounded by s protein coating

host cell

cell in which a virus multiplies by itself

cell theory

summary of scientists' observations and conclusions about cells

virchow

hypothesized that cells divide to form new cells

hooke

first man to discover cells

schleiden

concluded that all plants are made of cells

schwann

concluded that all animals are made of cells

soft er

doesnt have ribosome

rough er

has ribosomes

cytoskeleton

helps support the cell and keep its shape

vaccine

made out of weakened viruses that no longer cause diseases

leeuwenhoek

founder of microscopes

eyepiece

contains magnifying lenses that u look thru

arm

supports the body tube

objectives

contains the magnification lenses

stage clips

holds the microscope slide in place

course adjustment knob

up-down

fine adjusment knob

left-right

stage

supports the microscope slide

body tube

connects the eyepiece to the revoloving nosepiece

nosepiece

holds and turns the objectives

light source

provides light that passes upward through the diapraghm, the specimen and the lenses

base

bottom part of the microscope

jenner

developed the first vaccine

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