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NBCHBCh5Balakrishnan

QuestionAnswer
What is the molecule responsible for cell recognition and adhesion in sponges? Glycoprotein
What are connexons and which cell junction is found in? Channel Proteins and Gap Junction
What’s the similarity and difference between Gap Junction and Plasmodesmata? Both facilitate cell communication but Gap Junction is only found in Animal cells whereas Plasmodesmata in found in plant cells.
Name 4 factors that affect how fast a substance diffuses. The diameter (smaller=faster)Temperature (higher=faster)Electric ChargeConcentration Gradient
Does osmosis require any type of metabolic energy? No, it’s a completely passive process.
What are channel proteins in relation to ion channels and gated channels? Ion channels are one type of channel proteins and ion channels have a gate that can be opened or closed – gated channels.
What is another name for symports and antiports due to how they both move 2 substances at once. Coupled Transporters
The Sodium Potassium pump (Na+-K+ Pump) brings how many K+ ions into/out (Choose one) of the cell and how many Na+ ions into/out of the cell? 2 K+ ion into the cell and 3 Na+ ions out of the cell
How does endocytosis occur (how does the structure of the cell change)? The plasma membrane invaginates (folds inward) around molecules from outside the cell and forms a small pocket. The pocket deepens into a vesicle and detaches into the cell.
What type of proteins is inside the coated pits for receptor-mediated endocytosis? Clathrin
What is the name of the process that moves materials out of the cell? Exocytosis
Created by: anu_bala
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