Term
| What are the contributions of Robert Hooke? |
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Definition
| Hooke published a book depicting drawing of cork cells in which he had studied. |
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Term
| What did Theodor Schwann conclude? |
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Definition
| That all animals are made up of cells |
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Term
| What did Matthias Schleiden conclude? |
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Definition
| That all plants are made up of cells |
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Term
| What theory-fulfilling conclusion did Rudolph Virchow come up with? |
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Definition
| That all cells come from existing cells. |
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Term
| The Cell Theory Says what? (Three items) |
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Definition
1. All living things are composed of cells
2. Cells are the bsic units of structure and function in living things
3. New cells are produced from existing cells. |
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Term
| What is the difference between the cell structures of Prokaryotes vs. Eukaryotes? |
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Definition
| Prokaryotes do not contain a nucleus or organelles such as Golgi apparatus, Rough ER, and smooth ER |
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Term
| Write down 10 parts that animal cells contain and compare your answer with the definition |
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Definition
1.Nucleus
2.Nucleolus
3.Nuclear Envelope
4.Rough ER
5.Golgi apparatus
6.centrioles
7.Smooth ER
8.Mitochondrion
9.Cell membrane
10.Ribosomes |
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Term
| Write down 12 items that plant cell contain, compare answers to definition |
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Definition
1.Vacuole
2.Chloroplast
3.Cell membrane
4.Cell wall
5.Golgi apparatus
6.Mitochondrion
7.Rough ER
8. Nucleus
9. Nucleolus
10. Nuclear envelope
11.Ribosome
12.Smooth ER |
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Term
| What is pictured in the following:
[image] |
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Definition
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Term
| What is pictured in the following:
[image] |
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Definition
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Term
| The difference between the smooth and rough ER is that: |
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Definition
| The Rough ER contains ribosomes, and the smooth doesn't |
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Term
| Plants cells contain a ___________ while animal cells do not |
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Definition
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Term
| What is the role of the nucleus? (two) |
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Definition
| Contains nearly all of the cell's DNA and controls most cell processes |
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Term
| What surrounds the nucleus and what is the importance of that item? |
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Definition
Nuclear envelope
Allows materials to move in and out of nucleus |
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Term
| What is the material found in the nucleus called? |
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Definition
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Term
| What is chromatin made of? |
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Definition
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Term
| During the process of cell division, what does chromatin form to? |
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Definition
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Term
The small dense regin inside the nucleus is called the _______.
What is it's function? |
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Definition
Nucleolus
It is where the assembly of ribosomes begins |
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Term
| What is the function of ribosomes? |
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Definition
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Term
| The internal membrane system in eukaryotic cells is |
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Definition
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Term
| What happens in the endoplasmic reticulum? |
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Definition
| Lipid components of the cell membrane are assembled, along with proteins and other materials that are exproted from the cell. |
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Term
| Specifically, the rough ER does what |
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Definition
| Involved in the synthesis of proteins |
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Term
| Specifically, the smooth is used for what |
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Definition
| Includes enzymes that perform certain tasks |
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Term
| What is the function of the Golgi apparatus? |
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Definition
| Sorts, modifies and packs proteins and other materials from the ER for storage in the cell or secretion outside the cell. |
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Term
| What is the function of lysosomes? |
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Definition
| Digestion of lipids, carbs, and proteins into small molecules that can be used for the rest of the cells. Removes "junk" |
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Term
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Definition
| store materials inside the cell |
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Term
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Definition
| They convert the chemical energy stored in food into compunds that are more convenient for the cell to use. |
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Term
| What is the function of chlorplasts? |
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Definition
| Capture energy from sunlight and convert it into chemical energy in a process known as photosynthesis. |
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Term
| Chloroplasts and mitochondria, unlike other organelles, contain their own... |
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Definition
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Term
| What is the function of the cytoskeleton? |
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Definition
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Term
| What is the cytoskeleton made up of? |
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Definition
| A network of protein filaments that helps the cell to maintian its shape. |
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Term
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Definition
| hollow microfilaments made up of proteins known as tubulins. |
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Term
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Definition
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Term
| What is the function of the cell membrane? |
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Definition
| Regulates what enters and leaves the cell |
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Term
| What are cell membranes made up of? |
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Definition
| Lipid bilayer with embedded protein |
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Term
| What does the cell wall do? |
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Definition
| provides support for the cell |
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Term
| What are most cell walls made of |
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Definition
| fibers of carbs and proteins |
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Term
| Particles in cells tend to move from a ___________ _________ area to a _________ ________ area. |
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Definition
high-concentrated
low-concentrated |
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Term
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Definition
| cell particles move from a high-concentrated area to a low concentrated area |
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Term
| You know a concentration has reached its equilibrium if... |
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Definition
| solute is the same throught the system |
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Term
True or false?
Substances diffuse across membranes without requiring the cell to use energy |
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Definition
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Term
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Definition
| The diffusion of water through a selectively permeable membrane. |
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Term
When a substance is isotonic it...
What does the cells structure look like? |
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Definition
an equal concentration of solutes in and outside of the cell.
The shape is regular |
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Term
| What is the result of hypertonic solution, and why is it this way? |
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Definition
| The cell is distorted because there is an unequal solute concentration between the solution and the cell |
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Term
| There are less solutes in the solution then in me...what kind of solution am I? |
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Definition
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Term
| Why is it easire for some molecules such as sugar glycose, to pass through the cell membrane? |
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Definition
| Because cell membranes have protein channels that make it easier for the molecules to cross |
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Term
| What is facilitated diffusion? |
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Definition
| When molecules are helped across the membrane |
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Term
| Although fast and specific facilitated diffusion is still... |
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Definition
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Term
| What is active transport? |
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Definition
| The process needed for a cell move materials in the opposite direction. |
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Term
| What is cell specialization? |
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Definition
| Cells throughout an organism develop in diff. ways to perform specific tasks. |
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Term
| Name three specialized animal cells |
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Definition
| Pancreatic cell, muscle cell, red blood cell |
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Term
| Stomata cells are used for |
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Definition
| exchanging gases between plants |
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Term
| Similar ____ make up tissue |
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Definition
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Term
| What is the main reason for the developement of the cell theory |
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Definition
| The improvement of the microscope |
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