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quiz science

section 3

who invented the microscope and discovered cells? robert hooke
mathais schleiden concluded that all plants are made of cells
antonie van leeuwenhoek invented microscope
theodor schwann discovered that all animals are made up of cells
rudolf virchow concluded that all cells came from cell that already existed
cell theory 1.all organisms are made up of cells 2. cell is basic unit of organization of organsim 3.cells are made up of cells
cell wall tough rigid that gives the plant cell its shape and protects it.
cell membrane protective covering of all cells
nucleus controls all activities of a cell (brain of the cell)
mitochondria *power plant of the cell* it is where food is broken down and released as energy
chloraplast Green organelle found in plants which contains chloaphyl
cytoplasm a gelatin like substance that constantly flows inside of the cell membrane.
organelles structures in cytoplasm that can act as a storage unit, they can process enrgy, they can move materials or they can manufacture substances
ribosomes the smallest structures that make protein
nucleolus makes ribosomes
chlorophyl a green pigment, which gives many leaves and stems their color. It captures light energy that is used to make a sugar called glucose. This light energy is changed and stored in glucose as chemical energy.
RER (Rough endoplasmic reticulum) Carry out their job making proteins that are moved out of the cell
SER (Smooth endolasmic reticulum) Processes cellular substances such as lipids that store energy
Golgi bodies cell organelle that are stacked flattened membranes. They sort proteins and other cellular substances and package them into membrane-bound structures called vesicules.
lysosome it helps to break down food molecule, cell waste, worn out cell parts and viruses and bacteria.
vesicule delivers cellular substances to the cell membrane where they are released to the outside of the cell.
central vacuole Stores water, waste product,food and other cellular materials. Only in plants
tissue group of similar cells that work together to do one job.
organ a structure made up of two or more different types of tissues that work together
organ system a group of organs that work together to perform a certain function
Created by: jwassnyc