503262
Descrição
Quiz por gina_evans0312, atualizado more than 1 year ago
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Criado por gina_evans0312
quase 11 anos atrás
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Questão 1
Questão
When the LDL first binds to the receptor, what is internalised?
Responda
-
The lipoprotein
-
The bound receptor
-
The antigens
Questão 2
Questão
An uncoated clathrin vesicle has lost the clathrin it was previously coated with
Responda
- True
- False
Questão 3
Questão
What happens to the LDL receptors once they've been internalised?
Responda
-
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
Questão 4
Questão
How is the LDL broken down?
Responda
-
pH change
-
Salinity change
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Inc in protease concentration
Questão 5
Questão
LDL's are broken down into amino acids, fatty acids and triacylglycerols
Responda
- True
- False
Questão 6
Questão
Fatty acid oxidation is done in the mitochondria
Responda
- True
- False
Questão 7
Questão
The cleavage of 2C from a fatty acid chain does what?
Responda
-
Releases oxidative energy
-
Releases 2C for substrate dependent oxidation
Questão 8
Questão
VDL's are created in the small intestine, chylomicrons in the liver
Responda
- True
- False
Questão 9
Questão
Name the two enzymes that allow lipids to be removed from lipoproteins for use in the cell
Responda
-
Lipoprotein lipase
-
Lecithin-Cholesterol Acetyl Transferase
Questão 10
Questão
Removal of lipids from fatty acids leave remenants behind in the blood
Responda
- True
- False
Questão 11
Questão
Two things can happen to these remnants, what are they?
Responda
-
Uptake into cells for conversion into other lipoproteins
-
Conversion to LDL's in the blood
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Conversion to VDL's in the intestines
Questão 12
Questão
What is the role of the Overflow Pathway?
Responda
-
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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