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23 Cards in this Set

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