問題一覧
1
- Newly assembled TAG (from FA and monoacylglycerol in the intestines) are combined with membrane phospholipids and cholesterol and water soluble proteins - Transports TAG from intestinal cells via lymphatic system to bloodstream - ABSORPTION
CHYLOMICRON
2
FIRST KETONE BODY, SECOND KETONE BODY, THIRD KETONE BODY
ACETOACETATE, HYDROXYBUTYRATE, ACETONE
3
- Body condition in which high levels of ketone bodies are present in both blood and urine - _____ is often detectable by the smell of acetone on a person's breath
KETOSIS
4
Glycerol metabolism TAG mobilization produces ___ molecule of glycerol
1
5
Its ________ is detectable in the breath of diabetics
SWEET ODOR
6
Glycerol metabolism - After entering the bloodstream, glycerol travels to _____
KIDNEYS OR LIVER
7
Fates of Fatty Acid Generated Acetyl CoA - Converted to ____ - Conversion to _______ - Can be stored in the form of _______ - Can be used as starting materials for the production of _____ other than FA • Cholesterol-precursor of bile salts, sex hormones, adrenal hormone
ATP, KETONE BODIES, TRIACYLGLYCEROL, LIPIDS
8
Acetone in the bloodstream, is a volatile substance that is mainly excreted by ______
EXHALATION
9
ENABLES LIPIDS TO DELIVER OR TRANSPORTS
FATTY ACID MICELLES
10
TAG are _____ in water
INSOLUBLE
11
AFTER HEAVY MEAL, - _______ concentration increases dramatically - Starts to rise 2 hrs after a meal - Peak in 4-6 hrs - Drops to normal level as chylomicrons move into adipose cells and liver
CHYLOMICRON
12
- Produced when the amount of acetyl CoA is excessive - Can serve as sources of energy in the heart, muscle and renal cortex - Brain derives energy from ______ in dieting situations
KETONE BODIES
13
- Hydrolysis of TAG stored in the adipose tissue followed by release into the bloodstream of the FA and glycerol - TAG energy reserves are the human body's major source of stored energy - DIGESTED
TRIACYLGLYCEROL MOBILIZATION
14
GLYCEROL METABOLISM Converted to _______ o Then to ______ o Then ________ o Then CO2 or can be used to form ______
dihydroxyacetone, pyruvate, acetyl CoA, glucose
15
Fats in the stomach triggers the release of the hormone ________
CHOLECYSTOKININ
16
Metabolic pathway by which ketone bodies are synthesized from acetyl CoA
KETOGENESIS
17
• Thick semi-liquid material made up of small TAG globules, partially digested food, gastric secretion - Gastric lipase • High fat foods stays longer in the stomach • High fat meal causes a person to feel full for a longer period of time
CHYME
18
98% of total dietary lipids are _____
TAG
19
2 LIPASES
GASTRIC LIPASE AND PANCREATIC LIPASE
20
Digestion occurs in the stomach Physical digestion - Breaks up into small globules - Resulting material is called _____
CHYME
21
Primary site for ketogenesis is the _____
LIVER MITOCHONDRIA