Membrane Structure
Membrane Function
Parts of the Cell 1
Parts of the Cell 2
Potpourri
100
What is the name of a membrane protein that crosses the entire membrane?
transmembrane protein
100
What environment is best suited for a plant cell?
hypotonic
100
Name one structure that animal cells have that plant cells do not
lysosome, centriole, flagella
100
Large bodies in plant cells; exert turgor pressure on cell walls when full and maintain rigidity this way
central vocuole
100
when is Mrs. Byrne's birthday?
September 6
200
What is the name of the membrane protein that acts as an identity tag for the cell?
glycoprotein
200
What environment is best for an animal cell?
isotonic
200
what do free ribosomes produce?
proteins needed in the cytoplasm
200
Vesicles fuse with the plasma membrane and release their contents to the outside
exocytosis
200
How many eukaryotic cells are in an adult body?
15 trillion (15,000,000,000,000)
300
Where is the hydrophilic portion of the membrane?
phosphate heads/facing the cytoplasm and outside of the cell
300
Contractile vacuoles are necessary for single-celled organisms living in _______ environments.
hypotonic (freshwater)
300
what lipid (other than phospholipids) are found in the membrane?
cholesterol
300
responsible for lipid synthesis
smooth ER
300
What were barcodes first used for?
to label railcars
400
What are the cytoplasmic channels in plant cells that allow neighboring cells to communicate?
plasmodesmata
400
what kinds of molecules pass through a cell membrane most easily?
small and hydrophobic
400
What structure is made of actin; involved in motility of cell
microfilament
400
How do the structures of mitochondria and chloroplasts support the theory of endosymbiosis?
double membrane, DNA, ribosomes, divide like prokaryotes, semi-autonomous
400
What letter is least used in the English language?
Q
500
What characteristic is shared by all integral membrane proteins?
amphipathic
500
how are simple diffusion and facilitated diffusion similar?
moving solutes down a concentration gradient
500
Name the four things all cells have
plasma membrane, cytoplasm, DNA, ribosomes
500
Name the components of the endomembrane system
nuclear membrane, the endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, cell membrane.
500
Acrophobia is more commonly known as the fear of what?
heights
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