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23 Cards in this Set
- Front
- Back
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What is this scientist known for?
Hooke |
Hook: Coined the term "cells" and invented the microscope.
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What is this scientist known for?
van Leewenhoek |
van Leewenhoek: 1st to see living cells. "All living things come from cells"
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What are these scientists known for?
Schwann and Scheilden |
Cell Theory
"All living things are composed of cells" |
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What is this scientist known for?
Virchow |
"All cells come from other cells"
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What are the 3 generalizations of the cell theory of 1850?
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1. All organism are composed of cells.
2. Smallest unit of life. 3. All cells arise from pre-existing cells. |
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Cells are small because of____________
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Diffusion
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The light microscope can magnify speciments___________
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1000x
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The electron microscope can magnify specimens____________
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100,000x
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All_____________ are prokaryotes.
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bacteria
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What 3 features are found in plants that are completely lacking in animal?
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1. cell walls
2. central vacuole 3. plastids |
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Name the 3 organelles that make up the cytomembrane system (start at the nucleus)
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1. endoplasmic reticulum (ER)
2. golgi body 3. nuclear membrane |
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The breakdown of the plasma or nuclear membrane would yield phospholipids and ____________.
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Protiens
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Name the organelle found in the nucleus.
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Nuclieolus (makes ribosomes)
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Name the organelle that produces proteins.
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Ribosomes
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Name the organelle that produces ribosomes.
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Nucleolus
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Name the organelle that produces lipids.
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SER
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Name the organelle that stores food, water, and ions.
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Vacuoles -- Vesicles
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Name the organelle that contains digestive enzymes.
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Lysosome
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What 2 organelles are thought to be ancient engulfled bacteria?
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1. chloroplasts
2. mitochondria |
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The cell's cytoskeleton are.
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1. To provide support and stucture.
2. cell movement (celia, flagella) 3. chromosome movement in cell division. 4. transmit impulses |
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Ceili's shape is___________ and it's internal structure is______________.
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short
microtubes 9+2 |
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Flagella's shape is______________and it's internal structure is_____________.
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long
microtubes 9+2 |
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Name the 4 cell junction.
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1. plasmodesmata (only in plants)
2. tight junction 3. gap junction 4. adhering junction |
