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Bio unit 3
| Question | Answer |
|---|---|
| Who was the first person to see cells under the microscope and give them a name? | Robert Hooke |
| He discovered that all plants were made of cells, which contributed to the development of the cell theory: | Matthias Schleiden |
| He advanced the cell theory with his conclusion that cells could only come from other cells | Rudolph Virchow |
| This structure serves as the outer boundary of the eukaryotic cell: | cell membrane |
| Unlike eukaryotes, prokaryotes do not have | a membrane bound nucleus |
| Which of the following is NOT one of the main components of the cell theory? | cells must contain DNA |
| Rudolph Virchow's observations helped to disprove was commonly held belief of the time? | spontaneous generation |
| The word cyto means | cells |
| Tiny structures that carry out cell functions are collectively called: | organelles |
| Which technology was essential for the development of the cell theory? | microscopes |
| biology is the study of ...... | life |
| all lving things are made up of... | cells |
| Keeping an organisms body in balance is called __________________. | homeostasis |
| How do humans get energy? | eating/drinking |
| Organisms making other like organisms is called _______________? | reproduction |
| All living organisms _______________ and develop. | grow |
| If your body is hungry, your brain knows that you need to eat. What characteristic of life is this? | homeostasis |
| Who is credited with creating the first microscope? | Zacharias Jansen |
| van Leeuwenhoek discovered bacteria by looking at | scraping from his teeth |
| What did van Leeuwenhoek call the tiny organisms he saw with his microscope? | animacules |
| Robert Hooke looked at cork under a microscope. What did he call the little boxes that he saw? | cells |
| Ribosomes specialize in producing | proteins |
| what cell structures do prokaryotic and eukaryotic cells have in common? | cytoplasm |
| What cell structures do prokaryotic and eukaryotic cells do not have in common | nucleus |
| which organelle is found in eukaryotic cells and contains dna | nucleus |
| what are the common features of prokaryotic cells | cytoplasm and cell membrane |
| what characteristics define only prokaryotes | most common organisms today, no nucleus |
| Which membrane-enclosed organelle in a cell contains most of the cell's DNA in eukaryotes? | nucleus |
| What are the components of a eukaryotic cell? | cell membrane, nucleus, vesicles, endoplasmic reticulum |
| Which organelle(s) do eukaryotes have that prokaryotes do NOT have? | nucleus, and Golgi apparatus |
| RIbosomes are cell structures that make_______ | proteins |
| what cell structures are proteins made on? | ribosomes |
| what do all cells have in common | DNA, cytoplasm, cell membrane, and ribosomes |
| what best describes cytoplasm | includes the watery substance in a cell |
| what is the watery substance that makes up cytoplasm | cytosol |
| what part of the cell forms a barrier to the outside of the enviroment | cell membrane |
| without ribosomes cells are unable to make | proteins |
| DNA contains the instructions that cells need to make what organic compound | proteins |
| As a cube grows, what happens to its volume vs its surface area? | The cell's volume grows much faster than it's surface area. |
| What happens to a cell when it's interior volume grows so much the area of the surface can't keep up? | it will die |
| What is another benefit have having many, small cells? | If one dies or gets destroyed, the others are not affected. |
| The neuron that runs from our hip to our foot is really thin, measuring in cm. True or False | true |
| Why don't cells get bigger and bigger? Use evidence from the video to support your answer. | because they will die |
| Prokaryote symbiosis means that these organisms lived _________________. | lived together |
| _________ do have a nucleus and other membrane-bound organelles. | eukaryotes |
| Some prokaryotes had photosynthetic abilities, which means they could make food from _________________ energy. | sunlight |
| Living as symbionts means that the bacteria (both "engulfer" and "engulfee") lived better _________________. | together |
| Bacteria that could use oxygen to produce their own energy evolved to become _________________. | mitochondria |
| Is a virus a cell? | no |
| What do viruses NEED in order to replicate? | a host |
| another way to say that i virus is active | lytic cycle |
| What are the 4 steps for Active Virus replication? | Attach, Invade, Copy, Release |
| what happens in the release stage of a virus | millions of viruses burst out of the cell. |
Created by:
sremer