Transport in/out cell

Question 0

Use hypertonic in a sentence

Answer 0

Extracellular is hypertonic to cell –> shrinking

Question 1

Fick’s flux equation

Answer 1

(Kp)(A)(dC) / (dX)

Question 2

What cells have low water permeability

Answer 2

epithelium of:
ascending limb
distal tubule
distal colon

Question 3

Cells that do phagocytosis are called?

Answer 3

MPS (mononuclear phagocytotic system)

Question 4

3 ways to phagocytosize:

Answer 4

1. receptor mediated (recognize aB)
2. pathogen associated molecular pattern (PAMP)
3. Nonbio does not require receptor

Question 5

Process of receptor mediated endocytosis:

Answer 5

Cargo receptors
Clathrin coated pits via adaptin
Dynamin (GTPase) pinches off

Question 6

Tay sachs is what type of disease?

Answer 6

lysosomal storage disease; can be treated with enzyme replacement therapy, chaperone therapy, gene transfer

Question 7

Ubiquination is involved with what process?

Answer 7

Degradation via proteosomes

Question 8

What are the two pathways of exocytosis?

Answer 8

Constitutive (immed after golgi exit) (most cells)

regulated secretory via vSNARE and tSNARE

Question 9

Give two examples of constitutive pathway

Answer 9

immunoglobins in plasma cells

procollagen in fibroblasts

Question 10

What types of cells have regulated secretory pathways?

Answer 10

endocrine
exocrine
neurons