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microscopes and cell
Question | Answer |
---|---|
What controls the amount of light entering the microscope? | The Diaphragm |
What part of the microscope do you use to focus on a slide when using the low power objective? | The Course adjustment |
What supports the microscope? | The base |
What do you do with the slides after viewing them on a microscope? | Carefully remove them from the stage. |
Which part of a plant or animal cell holds the genetic material, or DNA? | Nucleus |
Which part of an animal cell allows materials to enter and leave? | The cell membrane |
What are the two parts that are in a plant cell that are not in an animal cell? | Cell wall and Chloroplasts |
What is the name for the storage compartments for water and other substances in a cell? | Vacuoles |
What is the fluid inside a cell called? | cytoplasm |
What provides the rigid support in a plant cell? | Cell wall |
Who was the first person to describe cells? | Robert Hook |
Which type of organisms have a nucleus, prokaryotes or eurkaryotes? | Eukaryotes |
True or False, bacteria have membrane bound organelles? | False |
If a person had 200 different types of cells, specialized to do a particular job, are the cells considered as being unicellular or multicellular? | multicellular |
How does all life begin, as an organ or a single cell? | single cell |
What was the first person who discovered the name "little boxes" looking at when he decided to call them cells? | a slice of cork |
Which scientist was the first person to see bacteria, yeast as unicellular, and human blood as flat? | Leeuwenhoek |
What are the structures in a cell that enable it to live, grow, and reproduce called? | organelles |
Which type of single-cell has NO nucleus but genetic material is contained by the cell membrane? | prokaryotic |
How can you tell a bacterium cell from an animal or plant cell? | There is NO nucleus |
What is the outer surface of a plant cell called? | Cell Wall |
What is the name of the structure that is larger in a plant cell than an animal cell because it holds necessary water? | vacuole |
Which organelle helps a plant cell to produce sugar during photosynthesis? | Chloroplast |
Which type of bacteria is found almost everywhere on earth and even in humans? | Eubacteria |
Which type of single celled organism is found where most living things could not survive? | archaebacteria |