Chpt. 25

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

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

_______ 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) none of these
B) anabolism
C) catabolism
D) lipid digestion

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

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

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

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

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

T/F: glycolysis requires oxygen
True False

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

You can get Acetly CoA from:
A) fat
B) protien
C) carbs
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) NAD and FAD
C) all of these
D) glucose and fatty acids

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

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

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

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

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

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

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

__________ 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) decreased
B) unchanged
C) increased

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

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

T/F: Nitrogen atoms are stored in the body