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Description
Flashcards by Zubayr C-137 Rashid, updated more than 1 year ago
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Created by Zubayr C-137 Rashid
almost 9 years ago
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| Question | Answer |
| Unit 2.2 | The Building BlOcks Of Life |
| Who created the first ever microscope? | Zacharias Janssen |
| What did Zacharias do to discover the microscope? | He placed two lenses in a tube. When he looked through the tube, objects appeared larger. |
| What did Robert Hooke use a microscope for? | To Investigate Cork |
| What did Antonie Van Leeuwenhoek build? | He built microscopes that could magnify up to X250. |
| What did Leeuwenhoek call tiny organisms? | He called tiny organisms animalcules (Latin for little animals). |
| What was special about Leeuwenhoek? | He was the first person to discover microscopic living things. |
| What did the Scottish botanist Robert Brown discover? | He discovered that plant cells were not empty boxes. |
| What was the first structure to be discovered in a cell? | Nucleus |
| What is a mitochondria? | the powerhouse of the cell that releases energy from the food. |
| What are lysosmes? | the garbage disposal that gets rid of wastes from the cell. |
| What is the endoplasmic reticulum? | forms pathways that allow materials to move quickly and easily through the cell. |
| What is the cell membrane? | The skin that holds the cell together. |
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