Exam 2 Flashcards
If something is high in hydrogen it is also high in….
Energy
n =
of carbon atoms
How many ATP does 1 FAD2 have?
2 ATP
How many ATP does 1 NADH have?
3 ATP
How do you calculate the # of acetyl CoA?
n/2
How many times does the activation reaction happen?
Once per fatty acid
Where does the activated fatty acid go?
Into the mitochondria
What happens after the activated fatty acid goes in the mitochondria?
Goes through fatty acid oxidation
What is the summary pathway for lipolysis?
Triglyceride to fatty acid
What is the summary pathway for lipogenesis?
Fatty acid to triglyceride
What are the 4 possible products for lipolysis?
Glycerol
Monoglyceride
Diglyceride
Triglyceride
How many times does the FA molecule participate in a lipolysis reaction as it goes through the animal?
3 times
- Small intestine
- LPL
- From adipocyte converted into energy and goes into blood
What is amphipathic?
Molecule having both polar and nonpolar regions
What is an example of amphipathic?
Long chain fatty acid
What are the 4 possible fates of an NEFA after it is taken up by a hepatocyte?
VLDL
Storage
ketones
CO2
what are the normal fates of NEFA?
VLDL
CO2
what are the pathological fates for NEFA?
storage
ketones
why is storage pathological?
fatty liver
impairs liver function
what is a hypatocyte?
liver cell
what are the step of ketosis?
glucose -glycolysis pyruvate -PDR acetyl CoA -Krebs CO2
what is simple respiration?
TG
FA
CO2
what is storage and respiration?
TG
FA
TG
CO2
what is storage, ketogenesis, and respiration?
TG FA TG ketone body CO2
what is lipogenesis from CHO?
starch
glucose
FA
TG
what happens each time a fatty acid chain is lengthened?
malonyl coenzyme is produced
name the 2 new coenzymes involved with fatty acid synthesis?
NADP
biotin
what do chylomicrons do?
transport triglycerides absorbed from food
what does the VLDL do?
transports triglycerides synthesized by the liver to body tissues
what does the LDL do?
transports cholesterol in blood
what does the HDL do?
transports cholesterol in the blood to liver for break down and excretion