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BIO300 Exam 2
Cells
39
Biology
Undergraduate 1
03/10/2014

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Term
How many red blood cells does a human body makes a second
Definition
2 million
Term
What year were cells first discovered
Definition
1665
Term
what was the name of the British scientist that discovered cells
Definition
Robert Hooke
Term
When cells were first discovered what of the name of the cell
Definition
Cellulae
Term
What does cellulae mean
Definition
little small rooms
Term
What organisms are mostley single-celled
Definition
Bacteria and Protists and Fungi ( yeast )
Term
What organisms are mostley multi-celled
Definition
Plants, Animals, most Fungi (mushrooms)
Term
Name a few of the human body trillions cells
Definition
Liver cells, Nerve cells, Muscle cells
Term
What two categories do cells fall under here on earth
Definition
Prokaryotic Cells and Eukaryotic Cells
Term
What cell lacks a nucleus and the DNA is in the nuleoid region which is not surrounded by a membrane
Definition
Prokaryotic Cells
Term
What cell has the DNA in it and it free floatsinside the cell
Definition
Prokaryotic Cell
Term
Is a Prokaryotic cells single or multicellular organisms
Definition
Single -celled organisms
Term
What are the three main shapes that the prokaryotic cell come in
Definition
Rod, Spiral, Spherical
Term
What is the name of the threadlike fibers that are on the cell wall of a prokaryotic that help it move
Definition
Flagellum
Term
What is the site called in a prokaryotes cell that the proteins are made
Definition
Ribosomes
Term
Archaea are composed of ________cells
Definition
Prokaryotic
Term
A structure with a specialized function with in a eukaryotic cell that is were energy is extracted
Definition
Organells
Term
What is the semifluid matrix called that contains the necleus and other organells in side a eukaryotic cell
Definition
Cytoplasm ( Cytosol )
Term
___________cells lack a membrane -enclosed nucleus
Definition
Prokaryotic cells
Term
In a eukaryotic cell what three componets are in the animal cell and are not in a plant cell
Definition
Centriol, Lysosome, Flagellum
Term
What is the difference between a plant cell and a animal cell
Definition
Box like, Cloroplast, Central Vacuol
Term
What take up more the 70% to 90% of the internal parts of a plant cell
Definition
Central Vacoule
Term
What cells are in the Prokaryotes cells
Definition
Bacteria and Archaea
Term
What cells are in the Prokaryotes cells
Definition
Protists, Plants, Fungi, Animals
Term
The nucleus of a cell contains_________
Definition
DNA
Term
The function of the chloroplasts is what
Definition
Photosynthesis
Term
The cell membranes ( cell walls ) are composed of what
Definition
Lipids (phospholipids ) , Proteins, Carbohydrates, Cholesterol
Term
What is the lipid bilayer called that serounds the cell
Definition
phospholipids
Term
What are the two proteins called that are in the cell wall
Definition
Cell- surface proteins and Transmembrane proteins
Term
Which protein extends all the way through the cell membrane
Definition
Transmembrane proteins
Term
Which protein acts as markers or receptors and are located on the cell membrane
Definition
Cell- surface proteins
Term
What are the two regions called in a transmembrane
Definition
Hydrophilic out side of cell, Hydrophobic region in side
Term
What is the process called when random molecular movement that goes from high to low through small tubes that are in the cell membran.
Definition
Diffusion ( passive process )
Term
What determines what can pass through the cell membrane using the diffusion process
Definition
Size of the particles
Term
What is the process of transfering molecules through a a transmembrane protein
Definition
Facilitates Diffussion
Term
What is the process of discharging of material from vesicles at the cell surface
Definition
Exocytosis
Term
What is the process called when the plasma membrane envelops particles and bring them into the cell interior
Definition
Endocytosis
Term
What is the process called when the cell takes in particles made off small fragments of organic matter
Definition
Phagocytosis
Term
What is the process called when the cell takes in liquid material into the cell
Definition
Pinocytosis
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