503262
Descripción
Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312
hace casi 11 años
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Pregunta 1
Pregunta
When the LDL first binds to the receptor, what is internalised?
Respuesta
-
The lipoprotein
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The bound receptor
-
The antigens
Pregunta 2
Pregunta
An uncoated clathrin vesicle has lost the clathrin it was previously coated with
Respuesta
- True
- False
Pregunta 3
Pregunta
What happens to the LDL receptors once they've been internalised?
Respuesta
-
They're removed the vesicle and returned to the cell surface
-
They're removed the vesicle and destroyed
-
They're removed the vesicle and altered into different receptors
Pregunta 4
Pregunta
How is the LDL broken down?
Respuesta
-
pH change
-
Salinity change
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Inc in protease concentration
Pregunta 5
Pregunta
LDL's are broken down into amino acids, fatty acids and triacylglycerols
Respuesta
- True
- False
Pregunta 6
Pregunta
Fatty acid oxidation is done in the mitochondria
Respuesta
- True
- False
Pregunta 7
Pregunta
The cleavage of 2C from a fatty acid chain does what?
Respuesta
-
Releases oxidative energy
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Releases 2C for substrate dependent oxidation
Pregunta 8
Pregunta
VDL's are created in the small intestine, chylomicrons in the liver
Respuesta
- True
- False
Pregunta 9
Pregunta
Name the two enzymes that allow lipids to be removed from lipoproteins for use in the cell
Respuesta
-
Lipoprotein lipase
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Lecithin-Cholesterol Acetyl Transferase
Pregunta 10
Pregunta
Removal of lipids from fatty acids leave remenants behind in the blood
Respuesta
- True
- False
Pregunta 11
Pregunta
Two things can happen to these remnants, what are they?
Respuesta
-
Uptake into cells for conversion into other lipoproteins
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Conversion to LDL's in the blood
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Conversion to VDL's in the intestines
Pregunta 12
Pregunta
What is the role of the Overflow Pathway?
Respuesta
-
Conversion of LDL's into HDL's so they can be returned to the liver
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Conversion of remnants to LDL's that stick to arterial walls
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Conversion of Chylomicrons to VLDL
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