Exam 4 Flashcards
Glucose hydrolysis….
Releases energy
What occurs in the post absorptive state?
Stored nutrients are released and used
What happens to excess glucose?
It is incorporated into glycogen in the liver and incorporated into triglycerides in fat cells
How are fats broken down?
Bile
How do lipids get into the blood circulation?
They are packaged into poly microns and enter into lymph, which enters into blood circulation
Fatty acids enter into what tissues?
Adipose tissue
True/False: all cells use glucose as an energy source to make ATP
True
True/False: all cells use fatty acids as a source of energy
False, they are not used by cells of the nervous system
What do absorbed amino acids do?
They are used to synthesize proteins or converted to triglycerides and are taken up & stored in adipose tissue
Energy for the CNS is…
Glucose
Glycogenolysis is…
Breaking down glycogen
Gluconeogenisis is…
Making new glucose
Lipolysis is…
Breakdown of fat
What happens to unused fatty acids in the liver?
They’re converted to ketones
What is the importance of ketones? (3 things)
1) reduces the brain glucose requirements
2) protein stores last longer
3) allow animals to survive without food, longer
