Biochem Flashcards
Table sugar is structurally?
Glucose+Fructose
What is the Rate Limiting Enzyme for Glycogenolysis?
Phosphorylase A
Which pair of Enzymes is unique to Gluconeogenesis?
Phosphenolpyruvate carboxykinase and pyruvate carboxy
Which form of dietary fiber is insouluble?
Cellulose
Which substrate is used to make GTP in the TCA cycle?
Succinyl COA
What cycle contains coenzyme q?
Electron Transport Chain
The ability of the liver to “recycle” lactic acid to glucose, which is then used by muscles is?
The Cori Cycle
Where does glycogenesis occur in the cell?
Cytoplasm
Which lipids are non-sponifiable?
Gangliosides
What is the regulatory enzyme in cholesterol biosynthesis?
HMG CoA reductase
Which is a carrier for fatty acids into the mitochondria?
Carnitine
The conversion of one amino acid to another amino acid is accomplished by
transanimation
Which amino acid is ketogenic?
lysine
acidic and basic animo acids for quaternary structure by utilizing which type of bond
Ionic
Niacin is derived from which amino acid?
tryptophan
Which mineral is antioxidant?
Selenium
What is the best source of dietary vitamin c?
broccoli and fruit
The end product of purine catabolism is?
uric acid
What process is used to make RNA from a dna template?
Transcription
Which type of rxn will proceed spontaneously?
Exergonic
The enzymatic rxn reaches v-max when?
the enzyme is saturated by the substrate
Enzymes
Do not affect the Keq of a rxn
Which type of reaction will proceed spontaneously?
Exergonic
What is the rate limiting enzyme for Glycolysis?
Glucokinase
Low levels of glucose in the blood
Stimulate gluconeogenesis
What cycle contains coenzyme Q?
Electron transport chain
Where is the electron transport chain located in the cell?
Mitochondrial inner membrane
What type of inhibition can be overcome by the addition of excess amounts of substrates?
Competitive
Beta oxidation is used to?
Catabolize fatty acids to acetylCoA
A deficiency of HMG Co-A will result in?
Decreased cholesterol synthesis
Prostaglandins?
Facilitate (cause) inflammation
The end product of purine catabolism is?
Uric Acid
What process is used to make RNA from a DNA template?
Transcription
Where do the carbon skeletons for the nonessential amino acids come from?
Carbohydrates
Name a purine
Guanine
Which of the following minerals is an antioxidant?
Selenium
What will result if serum calcium is too low?
Tetany
Which type of reaction will proceed spontaneously?
Exergonic
What is the rate limiting enzyme for Glycolysis?
Phosphofructokinase
Low levels of glucose in the blood
Stimulate gluconeogenesis
What cycle contains coenzyme Q?
ETC
Where is the ETC located in the cell?
Mitochondrial inner membrane
What type of inhibition can be overcome by the addition of excess amounts of substrates?
Competitive
Enzymes
Do not affect the Keq of a reaction
Beta oxidation is used to?
Catabolize fatty acids to acetylCoA
The deficiency of HMG Co-A will result in?
Decreased cholesterol synthesis
Prostaglandins
Facilitate (cause) inflammation
The end product of purine catabolism is?
Uric acid
What process is used to make RNA from a DNA template?
Transcription
The conversion of one amino acid to another amino acid is accomplished by/
Transamination
Where do the carbon skeletons for nonessential amino acids come from?
Carbohydrates
Which of the following is a purine?
Guanine
Which of the following minerals is an antioxidant?
Selenium
What will result if serum calcium is too low?
Tetany
