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cell science

cell organelles

QuestionAnswer
what is the smallest unit that can do all of things necessary for lif? A Cell
Who was the first person to descride cells? Robert Hooke
who discovered single-cell oragnisms including bacterira? Anton Van Leeuwenhoke
Who concluded that plant parts were made of cells? Matthias Schleiden
Who concluded that all animal tissuse were made of cells? Theodor schwann
Who cuncluded that all cells come from existing cells? Rudolf Virchow
Why can chicken egg grow so large? It does not have to take in nutrients
What limits most cells to a very small size? The surface area-to-volume ratio of the cell
How would you calculate the surface area-to-volume ratio? Divide the total volume by the surface area
What are the three parts of the cell throry? All organisms are made of one or more cells The cell is the basic unit of all living things All cells come from exsiting cells
What kind of cells have cell walls? Plants and fungi have cell walls
What is a protective layer that covers a cells surface? Cell Membrane
What is the fluid inside a cell? Cytoplasm
What is the structure that performs a specific function in the cells? Organelle
What is the genectic material that carries information needed to make new cells or new organisms? DNA
What is an organelle that contains DNA and has a role in growth ,metabolism, and reproduction? Nucleus
What parts do all cells have in common? Cell Membrane, Organelles, Cytoplasm, and DNA
What are the two basic kinds of cells? The cell without a nuclues and cell with a nuclues
What are prokaryoes? Are single-celled organisms that don't have a nuclues
What are tha most common prokaryotes( and the smallest cells)? the common one is the eubacteria
What are ribisomes? They are tiny round organelles made of protein and other material
How do eubacteria and archaebacteria differ? Because of the Ribsomes
What are the three types of archaebacteria? Heat-loving, Salt-loving , Methane-making
How do eukaryotes compare in size to prokaryotes? Eukaryotes are about 10 times larger
What does a eukaryote have that a prokaryote does not? Cells with a nuclues
Which of these words describes humans? Eukaryote
What does multicellular mean? Many cells
What is the function of a cell? It gives support to a cell
What are the cell walls of plant and algae made of? Cellulose and other materials
What are cell walls of fungi made of? Chitin
What is the cell membrane? The cell membrane is a protective layer that covers the cells surface,and also seperates contact from the cell enviorment.
What three types of compounds contained in the cell membrane? protein, lipids, and phospholipids
What are two substances control the movement of materials into and out of the cell? proteins and lipids control the movement of materials.
A web of proteins in the cytoplasm is known as the ? cytoskeleton
What are the two functions of the cytoskeleton? It keeps the cell membrane from callapsing and helps cells more.
Created by: _shania.rhodes