Flashcards in Set 16 Enzymes and Hormones Deck (34)
Most enzymes are:
speed up reactions
enzyme + cofactor =
enzyme without cofactor:
What regulates enzyme synthesis?
What is a zymogen?
protein that becomes an active enzyme when parts are removed
What is the allosteric site?
area on enzyme where a compound may bind and change rate of activity
When do enzymes reach maximum velocity?
when all binding sites are saturated
What is the function of a kinase?
transfers a phosphate
What is the function of an oxidoreductase?
move hydrogen (catabolic)
What is the function of NAD?
What is the function of NADH?
What does the suffix "ine" mean?
What does the suffix "in" mean?
What does the suffix "one" mean?
What is the precursor to epinepherine?
What stimulates epinepherine?
pathways which produce energy
Where does insulin come from?
islets of langerhans
What makes insulin?
What stimulates insulin?
energy storage pathways
What inhibits insulin?
hormone sensitive lipase
What stimulates glucagon?
What is the function of glucagon?
releases glucose into the blodd
Where are steroid hormones produced?
What is the precursor for cholesterol?
What is the function of glucocorticoids like cortisol?
promote gluconeogenesis, increase protein breakdown, and increase ketogenesis
What is the function of mineralcorticoids like aldosterone?
electrolyte balance, retention of Na, excretion of K, ammonia, and protons
Glucose 1,6 bis-phosphates
RLE: Krebs cycle
RLE: HMP shunt (PPP cycle)
RLE: fatty acid synthesis
Acetyl CoA carboxylase
RLE: beta oxidation
Carnitine acyltransferase I