UNE PHSL 1010 Exam Questions And Answers 100% Pass
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Module
PHSL 1010
Institution
PHSL 1010
UNE PHSL 1010 Exam Questions And
Answers 100% Pass
What creates lipid rafts? - answerCollections of like molecules (phospholipid heads w/ PLAP, aka
phospholipid apoproteins)
What structure gives a cell wall it's fluidity? - answerCholesterol
Is the phospholipid head polar or nonpolar? - answer...
UNE PHSL 1010 Exam Questions And
Answers 100% Pass
What creates lipid rafts? - answer✔Collections of like molecules (phospholipid heads w/ PLAP, aka
phospholipid apoproteins)
What structure gives a cell wall it's fluidity? - answer✔Cholesterol
Is the phospholipid head polar or nonpolar? - answer✔Polar
Which portion of the phospholipid is nonpolar? - answer✔Lipid tail
What comprises the phospholipid head? - answer✔Serine (or potentially another substance i.e. choline),
phosphate group and glycerol
What three kinds of transporter proteins are there? - answer✔-Carriers
-Channel
-Pumps
List the different types of passive transport mechanisms. - answer✔-Simple diffusion
-Facilitated diffusion (channels, carriers; protein mediated)
-Osmosis
What kinds of proteins aid in facilitated diffusion? - answer✔-Channel
-Carrier
-Gap junction (proteins between cells)
List the different active transport mechanisms. - answer✔-Primary
-Secondary
-Vesicular transport
What affects the rate of simple diffusion? (Hint: Fick's law) - answer✔-Ficks law = Rate of diffusion =
(available surface area + concentration gradient)/(resistance of membrane + thickness of membrane)
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