Cells the Living Units

The chapter review and my answers

29 cards   |   Total Attempts: 188
  

Cards In This Set

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A layer of proteins responsible for blood typing, fertilization and immunity are called
Glycocalyx
This membrane junction prevents movement between cells (eg. Acids and enzymes in digestion tract)
A tight junction
impermeable junction
Cells under extreme stress are held together by

desmosomes
Besides holding cells together, intracelluarly communication may be accomplished by
A gap junction
nexus
Glucose enters a cell by
Facilitated diffusion
Which type of channel is associated with simple diffusion
Leakage channels
A cell loses water and begins to shrink due to a _______ extracellularly environment
Hypertonic
Which term best describes the na-k pump
Primary active transport system ATPase
Which of the following might happen if the na-k pump were dysfunctional?

death by apoptosis
Goblet cells secrete mucus by
Exocytosis
A formed vesicles that joins with a lysome best describes
Phagocytosis
Cells lining the intestine would employ which type of vesicular transport
Penocytosis
The voltage across the cell membrane due to charge separation is referred to
The generation of a membrane potential
Which of the following is responsible for the polarity difference extracellularly and entracellularly?
Diffusion of potassium and sodium
Which of the following tends to keep intracelluarly k+ ion concentration high?
Excessive intracelluar Na