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29 Cards in this Set

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