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29 Cards in this Set
- Front
- Back
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Who developed the cell theory?
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Schleiden and Schwann
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What is the Cell Theory?
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That the cell is the fundamental unit of all forms of life.
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what is the important corollary added to the cell theory and who added it?
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Rudolph and Virchow added an important corollary stating that all cells come from cells.
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What is the size of the eukaryotic animal cell?
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10-25 microns
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The nucleus of an animal cell contains what?
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RNA, DNA and proteins
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What does the cytoplasm of an animal cell contain and what is it bound by?
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Integral and peripheral proteins
bound by phospholipid bylayer. |
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What is found in animal cells but not in plant cells?
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Centrioles
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What are 2 other things that plant cells have that animal cells do not?
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Cell Walls
Chlorophyll |
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What is the funtion of the plasma membrane?
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Grants integrity to the cell and regulates movement in and out of the cell.
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What is the function of the cellulose cell wall in a plant cell?
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provides protection and support.
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___________ facilitate communication between plant cells.
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Plasmodesmata
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________ ______ contain many membrane-bound organelles.
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Eukaryotic cells
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The _________ _________ consists of invaginated membranes and provides passages, strength, and a site for ribosomes.
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endoplasmic reticulum (ER)
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_______ are composed of RNA and protein and are the site of protein synthesis. They are named for their centrifugal properties using Svedberg units
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Ribosomes
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What is absent on smooth ER and present on Rough ER?
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Ribosomes
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Golgi bodies are flat membranous sacs that do what?
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package and assemble proteins produced by the ribosomes.
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What are lysozymes and where are they found?
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hydrolytic enzymes (digestive)
found in lysosomes |
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What is the function of lysosomes?
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They maintain the cell's integrity. They digest foreign substances that enter the cell such as bacteria, fungi, etc.
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To what is a peroxisome similar to and what doe sit focus primarily on?
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similar in function to lysosome but with a focus on ridding cell of hydrogen peroxide.
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What are the functions of mitochindrium?
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Responsibility is to provide energy for the ongoing activities of the cell. Mitochondria contain the respiratory enzymes for the Krebs cycle and electron transport.
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Mitochondria, the "power house" of the cell, produces ATP through the process known as ___________.
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chemiosmosis
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What is the energy organelle found only in plants?
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Chloroplast
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_______ is a molecule capable of capturing solar energy, converting it into chemical energy.
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Chlorophyll
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_______ can be found in both plants and animals. They function to store food and waste products and hold water.
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Vacuoles
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Microtubules are composed of the protein ______.
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tubulin
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Eukaryotic cells also contain a _________ composed of protein fibrils which maintain shape, strengthen the cell membrane, and allow for internal and external amoeboid movements.
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cytoskeleton
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Microfilaments and Intermediate filaments are made of the protein ______.
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actin
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Most motile cells move by _______ or _______.
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flagella or cilia
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The _______ plays a role in animal cell division or mitosis.
Do Plants have them? |
centriole
No |
