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cell science
cell organelle
| Question | Answer |
|---|---|
| what is the smallest unit that can perform all the processes necerssary for life? | cell |
| Who was the first person to describe a cell? | Hooke |
| Who was the person that discovered a single-celled organism including bacteria? | Leeuwenhoek |
| Who concluded that all plants parts were made of cells ? | Schleiden |
| Who concluded that all animals tissues were made of cells ? | Schwann |
| Who concluded that all cells come from existing cells ? | Virchow |
| Why ca a 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 the volume you calculate the surface area-to -volume ratio ? | Divide the total surface area of the cell by the cell's volume |
| What are the three parts of the cell theory ? | all organisms that are made up of one or more cells,the cells in the basic unit of all living things all cells come from existing cells |
| What kind of cells have the cell walls? | plant,fungi have cell wall |
| What is the protective layer that covers a cell's surface? | cell membrane |
| What fluid is inside the cell?` | cytoplasm |
| What structure performs a specific function in the cell ? | organelle |
| What organelle that contains DNA and has a role in growth ,metabolism and reproduction | nucleus |
| What part do all cells have in common | All cells have cell membrane,organelle,cytoplasm and DNA in common |
| What are the two basic kinds of cells? | The two basic parts of the cells are cells without a nucleus,and cells with a nucleus |
| what are prokaryotes? | Prokaryotes are single-celled organisms that do not have a nucleus or membrane bound organelle |
| What are the most common prokaryotes (and the smallest cell) | Eubacteria or bacteria and the smallest cells |
| What are ribosomes? | Ribsomes are tiny round oranelles made of protein and other materials |
| How do eubacteria and archaebacteria differ? | Eubacteria and archaebacteria are different by the eubacteria ribosome |
| what are three types of archaebacteria? | The three types of archaebacteria are heat loving,salt loving,and methane loving |
| How do eukaryotes compare in size to prokaryotes? | They are about the same size |
| What does a eukaryote have that a prokaryotes does not? | cells with DNA |
| Which of these words describe humans? | protist |
| What does multicellular means? | many cells |
| What is the function of a cell wall? | it gives support to a cell |
| What are the cell walls of plants and algae made of? | glycoprotein and polysaccharide |
| What are the cell walls of fungi made of? | glucosamine polymer chitin |
| What is a cell membrane? | a protective barrier that encloses a cell |
| What are three types of compound contained in the cell membrane? | proteins,lipids,posholipds |
| What two substances control the movement of materials into and out of the cell? | Some of the proteins and lipids do control movement of materials into and out of the cell. |
| What is the web of proteins in the cytoplasm is known as? | phospholipids |
| What are the two functions in the cytoskeleton? | holds organelles in place and it enables cell movement |
Created by:
dalia hernandez
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