Chpt. 25

All chemical rxns in an organism
A) metabolism
B) bodily metabolism
C) cellular metabolism
D) lipid metabolism

_____ includes all chemical reactions w/in cells and provides energy to maintain homeowstatis & perform essential functions.
A) lipid metabolism
B) cellular metabolism
C) bodily metabolism
D) metabolism

The ______ is a source of substrates for catabolism and anabolism.
A) TCA cycle
B) essential amino acids
C) mitochondria
D) nutrient pool

_______ is the breakdown of organic substrates; releases energy.
A) catabolism
B) lipid digestion
C) none of these
D) anabolism

______ is the synthesis of new organic molecules.
A) anabolism
B) lipid digestion
C) catabolism
D) none of these

Which is a function of organic compounds?
A) structural maintenance and repairs
B) produce secretions
C) all of these
D) supports growth

____ is the major stored carb
A) maltose
B) lactase
C) glucose
D) glycogen

The most abundant form of stored lipids is:
A) triglycerides
B) fatty acids
C) monoglycerides
D) cholesterol

Equation for carbohydrate metabolism:
glucose + O2 --> ___ + ____

One molecule of glucose nets __ molecules of ATP
A) 48
B) 36
C) 12
D) 24

T/F: glycolysis requires oxygen
True False

___________ occurs in the mitochondria, consumes oxygen and produces ATP
A) cellular respiration
B) glycolysis
C) TCA cycle

You can get Acetly CoA from:
A) protien
B) carbs
C) fat
D) all

The ETS (electron transport system) yields the ____ ATP molecules.
a) least
b) most

The coenzymes of the TCA Cycle are
A) citric acid
B) glucose and fatty acids
C) all of these
D) NAD and FAD

The role of NAD and FAD in the TCA cycle is
A) remove hydrogen atoms from organic substrates
B) stimulate pyruvic acid
C) produce water and carbon dioxide
D) all of these

More ATP energy is produced from ___
a) NAD
b) FAD

Gluconeogenesis synthesizes glucose from
A) glycerol
B) lactic acid
C) all of these
D) amino acids

Glycogen is stored:
A) in the liver
B) in the liver and the skeletal muscle
C) in the skeletal muscle
D) in the pancreas and the skeletal muscle

Conversion of fatty acids to acetyl-CoA is called
A) glyconeogenic pathway
B) none of these
C) beta- oxidation

Most lipids circulate through the bloodstream as
A) enzymes
B) lipid droplets
C) free fatty acids
D) lipoproteins

_______ converts amino acids to a different amino acid.
A) transamination
B) craaaap
C) deamination

__________ removes and does NOT recycle the amino group
A) ugggg
B) transamination
C) deamination

During the post-absorptive state, these is a ____ reliance on ketone bodies and fatty acids.
A) increased
B) decreased
C) unchanged

Hepatocytes
A) all of these
B) have an extensive blood supply
C) monitor and adjust nutrient composition of the blood
D) contain significan energy reserves

Which is NOT a type of nitrogen compound?
A) FAD/NAD
B) Amino acids
C) purines and pyrimidines
D) creatine
E) porphrins

T/F: Nitrogen atoms are stored in the body