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cell science
cell organelles
| Question | Answer |
|---|---|
| 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
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