Prtn vocab Flashcards
Polypetide
10 or more AA joined together
Primary pttn structure
sequential order of the AA
secondary prtn structure
spiral shape form twist in AA chain
*alpha helix and beta pleated sheets
Tertiary ptn structure
unique 3D shape maintained by H bonds and disulfide bridges
Quaternary prtn structure
*Multiple tertiary prtn
polypeptides bond to form a larger prtn (globular or fibrous)
Denaturition
Prtns uncoil and lose their shape due to
Damaging substance
high fever (heat)
blood pH out of normal range ( acid & base)
during digestion
Zymogen
inactive form of enzyme
pepsinogen
trypsinogen
Pepsinogen
converted by HCl to pepsin
breaks down prtns into short poly and amino
trypsinogen
converted to trypsin
(chymotrypsin)
digest protns into single AA
proteases
pancreatic enzymes that complete prtn digestion
Gastrin
hormone that controls HCl prod and pepsin release
Active transport or specific carrier transoprt
absorbs AA through small intestine
fate of absorbed prtns
converted to glucose or fat
build new prtn
used for energy
released into blood to other cells
Albumin
Made in liver
transports proteins
regulates osmotic pressure of blood
controls fluid in body
Urea
prod. in liver
excreted by kidneys (Urine)
